| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: opt -passes='reassociate' -S < %s | FileCheck %s --check-prefix=REASSOCIATE_ONLY |
| ; RUN: opt -passes='licm' -S < %s | FileCheck %s --check-prefix=LICM_ONLY |
| ; RUN: opt -passes='licm' -licm-max-num-fp-reassociations=1 -S < %s | FileCheck %s --check-prefix=LICM_ONLY_CONSTRAINED |
| ; RUN: opt -passes='reassociate,loop-mssa(licm)' -S < %s | FileCheck %s --check-prefix=LICM_AFTER_REASSOCIATE |
| ; RUN: opt -passes='reassociate,loop-mssa(licm)' -licm-max-num-fp-reassociations=1 -S < %s | FileCheck %s --check-prefix=LICM_AFTER_REASSOCIATE_CONSTRAINED |
| |
| ; |
| ; A simple loop, should not get modified: |
| ; |
| ; int j; |
| ; const double d1d = d1 * delta; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = d1d * cells[j + 1]; |
| ; |
| |
| define void @innermost_loop_1d_fast(i32 %i, double %d1, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_1d_fast |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[DELTA]], [[D1]] |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_1d_fast |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_1d_fast |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_1d_fast |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[DELTA]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_1d_fast |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[DELTA]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| %fmul.d1 = fmul fast double %d1, %delta |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul fast double %fmul.d1, %cell.1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| store double %fmul.1, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; A simple loop: |
| ; |
| ; int j; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = d1 * cells[j + 1] * delta; |
| ; |
| ; ...should be transformed by the LICM pass into this: |
| ; |
| ; int j; |
| ; const double d1d = d1 * delta; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = d1d * cells[j + 1]; |
| ; |
| |
| define void @innermost_loop_1d_shouldhoist_fast(i32 %i, double %d1, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_1d_shouldhoist_fast |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[DELTA]], [[D1]] |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_1]], [[CELL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[FMUL_2]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_1d_shouldhoist_fast |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: [[FACTOR_OP_FMUL:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FACTOR_OP_FMUL]], [[CELL_1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_1d_shouldhoist_fast |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FACTOR_OP_FMUL:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FACTOR_OP_FMUL]], [[CELL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[FMUL_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_1d_shouldhoist_fast |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul fast double [[DELTA]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[FMUL_2]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_1d_shouldhoist_fast |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[DELTA]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[FMUL_2]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul fast double %d1, %cell.1 |
| %fmul.2 = fmul fast double %fmul.1, %delta |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| store double %fmul.2, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; The following loop will be modified by the 'Reassociate expressions' pass, |
| ; |
| ; int j; |
| ; const double d1d = d1 * delta; |
| ; const double d2d = d2 * delta; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = d1d * cells[j + 1] + d2d * cells[j]; |
| ; |
| ; ...into this: |
| ; |
| ; int j; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = (d1 * cells[j + 1] + d2 * cells[j]) * delta; |
| ; |
| ; We expect the LICM pass to undo this transformation. |
| ; |
| |
| define void @innermost_loop_2d_fast(i32 %i, double %d1, double %d2, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_2d_fast |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD]], [[DELTA]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_2d_fast |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY-NEXT: [[FMUL_D2:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_ONLY-NEXT: [[FADD_1:%.*]] = fadd fast double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_ONLY-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_2d_fast |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D2:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FADD_1:%.*]] = fadd fast double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_2d_fast |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL1:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[FACTOR_OP_FMUL]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[FACTOR_OP_FMUL1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[REASS_ADD]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_2d_fast |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| %fmul.d1 = fmul fast double %d1, %delta |
| %fmul.d2 = fmul fast double %d2, %delta |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul fast double %fmul.d1, %cell.1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.2 = load double, ptr %arrayidx.j, align 8 |
| %fmul.2 = fmul fast double %fmul.d2, %cell.2 |
| %fadd.1 = fadd fast double %fmul.1, %fmul.2 |
| store double %fadd.1, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; The following loop will be modified by the 'Reassociate expressions' pass, |
| ; |
| ; int j; |
| ; const double d1d = d1 * delta; |
| ; const double d2d = d2 * delta; |
| ; const double d3d = d3 * delta; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = d1d * cells[j + 1] + d2d * cells[j] + d3d * cells[j + 2]; |
| ; |
| ; ...into this: |
| ; |
| ; int j; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = (d1 * cells[j + 1] + d2 * cells[j] + d3 * cells[j + 2]) * delta; |
| ; |
| ; We expect the LICM pass to undo this transformation. |
| ; |
| |
| |
| define void @innermost_loop_3d_fast(i32 %i, double %d1, double %d2, double %d3, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_3d_fast |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[D3:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_2:%.*]] = add nuw nsw i32 [[J]], 2 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_2]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_3:%.*]] = fmul fast double [[CELL_3]], [[D3]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD1:%.*]] = fadd fast double [[REASS_ADD]], [[FMUL_3]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD1]], [[DELTA]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J_2]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_3d_fast |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[D3:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY-NEXT: [[FMUL_D2:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_ONLY-NEXT: [[FMUL_D3:%.*]] = fmul fast double [[D3]], [[DELTA]] |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_ONLY-NEXT: [[FADD_1:%.*]] = fadd fast double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_ONLY-NEXT: [[ADD_J_2:%.*]] = add nuw nsw i32 [[J]], 2 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_2]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_ONLY-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_3:%.*]] = fmul fast double [[FMUL_D3]], [[CELL_3]] |
| ; LICM_ONLY-NEXT: [[FADD_2:%.*]] = fadd fast double [[FADD_1]], [[FMUL_3]] |
| ; LICM_ONLY-NEXT: store double [[FADD_2]], ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_3d_fast |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[D3:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D1:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D2:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D3:%.*]] = fmul fast double [[D3]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FADD_1:%.*]] = fadd fast double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_2:%.*]] = add nuw nsw i32 [[J]], 2 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_2]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_3:%.*]] = fmul fast double [[FMUL_D3]], [[CELL_3]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FADD_2:%.*]] = fadd fast double [[FADD_1]], [[FMUL_3]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[FADD_2]], ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_3d_fast |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[D3:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL:%.*]] = fmul fast double [[D3]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL2:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL3:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[FACTOR_OP_FMUL2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[FACTOR_OP_FMUL3]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_2:%.*]] = add nuw nsw i32 [[J]], 2 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_2]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_3:%.*]] = fmul fast double [[CELL_3]], [[FACTOR_OP_FMUL]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD1:%.*]] = fadd fast double [[REASS_ADD]], [[FMUL_3]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[REASS_ADD1]], ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_3d_fast |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[D3:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_2:%.*]] = add nuw nsw i32 [[J]], 2 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_2]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_3:%.*]] = fmul fast double [[CELL_3]], [[D3]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD1:%.*]] = fadd fast double [[REASS_ADD]], [[FMUL_3]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD1]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| %fmul.d1 = fmul fast double %d1, %delta |
| %fmul.d2 = fmul fast double %d2, %delta |
| %fmul.d3 = fmul fast double %d3, %delta |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul fast double %fmul.d1, %cell.1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.2 = load double, ptr %arrayidx.j, align 8 |
| %fmul.2 = fmul fast double %fmul.d2, %cell.2 |
| %fadd.1 = fadd fast double %fmul.1, %fmul.2 |
| %add.j.2 = add nuw nsw i32 %j, 2 |
| %idxprom.j.2 = zext i32 %add.j.2 to i64 |
| %arrayidx.j.2 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.2 |
| %cell.3 = load double, ptr %arrayidx.j.2, align 8 |
| %fmul.3 = fmul fast double %fmul.d3, %cell.3 |
| %fadd.2 = fadd fast double %fadd.1, %fmul.3 |
| store double %fadd.2, ptr %arrayidx.j.2, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; When there is no 'fast' attribute, the transformation should not happen. |
| ; |
| |
| define void @innermost_loop_2d_nofast(i32 %i, double %d1, double %d2, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_2d_nofast |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_D1:%.*]] = fmul double [[D1]], [[DELTA]] |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_D2:%.*]] = fmul double [[D2]], [[DELTA]] |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul double [[FMUL_D1]], [[CELL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul double [[FMUL_D2]], [[CELL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[FADD_1:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_2d_nofast |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: [[FMUL_D1:%.*]] = fmul double [[D1]], [[DELTA]] |
| ; LICM_ONLY-NEXT: [[FMUL_D2:%.*]] = fmul double [[D2]], [[DELTA]] |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_ONLY-NEXT: [[FADD_1:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_ONLY-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_2d_nofast |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D1:%.*]] = fmul double [[D1]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_D2:%.*]] = fmul double [[D2]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FADD_1:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_2d_nofast |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_D1:%.*]] = fmul double [[D1]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_D2:%.*]] = fmul double [[D2]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FADD_1:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_2d_nofast |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_D1:%.*]] = fmul double [[D1]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_D2:%.*]] = fmul double [[D2]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul double [[FMUL_D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul double [[FMUL_D2]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FADD_1:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[FADD_1]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| %fmul.d1 = fmul double %d1, %delta |
| %fmul.d2 = fmul double %d2, %delta |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul double %fmul.d1, %cell.1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.2 = load double, ptr %arrayidx.j, align 8 |
| %fmul.2 = fmul double %fmul.d2, %cell.2 |
| %fadd.1 = fadd double %fmul.1, %fmul.2 |
| store double %fadd.1, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; The following loop should be modified by the LICM pass, |
| ; |
| ; int j; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = (d1 * cells[j + 1] + d2 * cells[j]) * delta; |
| ; |
| ; ...into this: |
| ; |
| ; int j; |
| ; const double d1d = d1 * delta; |
| ; const double d2d = d2 * delta; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = d1d * cells[j + 1] + d2d * cells[j]; |
| ; |
| |
| define void @innermost_loop_2d_fast_reassociated(i32 %i, double %d1, double %d2, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_2d_fast_reassociated |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD]], [[DELTA]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_2d_fast_reassociated |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: [[FACTOR_OP_FMUL:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_ONLY-NEXT: [[FACTOR_OP_FMUL1:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[FACTOR_OP_FMUL]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[FACTOR_OP_FMUL1]] |
| ; LICM_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY-NEXT: store double [[REASS_ADD]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_2d_fast_reassociated |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_2d_fast_reassociated |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL:%.*]] = fmul fast double [[D1]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FACTOR_OP_FMUL1:%.*]] = fmul fast double [[D2]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[FACTOR_OP_FMUL]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[FACTOR_OP_FMUL1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[REASS_ADD]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_2d_fast_reassociated |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_2]], [[D2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[REASS_ADD]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul fast double %cell.1, %d1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.2 = load double, ptr %arrayidx.j, align 8 |
| %fmul.2 = fmul fast double %cell.2, %d2 |
| %reass.add = fadd fast double %fmul.2, %fmul.1 |
| %reass.mul = fmul fast double %reass.add, %delta |
| store double %reass.mul, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; When there is no 'fast' attribute, the transformation should not happen. |
| ; |
| |
| define void @innermost_loop_2d_nofast_reassociated(i32 %i, double %d1, double %d2, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_2d_nofast_reassociated |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul double [[D1]], [[CELL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul double [[D2]], [[CELL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul double [[DELTA]], [[REASS_ADD]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_2d_nofast_reassociated |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul double [[CELL_1]], [[D1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul double [[CELL_2]], [[D2]] |
| ; LICM_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul double [[REASS_ADD]], [[DELTA]] |
| ; LICM_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_2d_nofast_reassociated |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul double [[CELL_1]], [[D1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul double [[CELL_2]], [[D2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul double [[REASS_ADD]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_2d_nofast_reassociated |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul double [[D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul double [[D2]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_MUL:%.*]] = fmul double [[DELTA]], [[REASS_ADD]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_2d_nofast_reassociated |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul double [[D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul double [[D2]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul double [[DELTA]], [[REASS_ADD]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul double %cell.1, %d1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.2 = load double, ptr %arrayidx.j, align 8 |
| %fmul.2 = fmul double %cell.2, %d2 |
| %reass.add = fadd double %fmul.2, %fmul.1 |
| %reass.mul = fmul double %reass.add, %delta |
| store double %reass.mul, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| ; |
| ; When there is no 'nsz' attribute, the transformation should not happen. |
| ; |
| |
| define void @innermost_loop_2d_nonsz_reassociated(i32 %i, double %d1, double %d2, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_2d_nonsz_reassociated |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul reassoc double [[D1]], [[CELL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul reassoc double [[D2]], [[CELL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd reassoc double [[FMUL_1]], [[FMUL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul reassoc double [[DELTA]], [[REASS_ADD]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_2d_nonsz_reassociated |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul reassoc double [[CELL_1]], [[D1]] |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul reassoc double [[CELL_2]], [[D2]] |
| ; LICM_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd reassoc double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul reassoc double [[REASS_ADD]], [[DELTA]] |
| ; LICM_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_2d_nonsz_reassociated |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul reassoc double [[CELL_1]], [[D1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul reassoc double [[CELL_2]], [[D2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd reassoc double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul reassoc double [[REASS_ADD]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_2d_nonsz_reassociated |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul reassoc double [[D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul reassoc double [[D2]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD:%.*]] = fadd reassoc double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_MUL:%.*]] = fmul reassoc double [[DELTA]], [[REASS_ADD]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_2d_nonsz_reassociated |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul reassoc double [[D1]], [[CELL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul reassoc double [[D2]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd reassoc double [[FMUL_1]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul reassoc double [[DELTA]], [[REASS_ADD]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %fmul.1 = fmul reassoc double %cell.1, %d1 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.2 = load double, ptr %arrayidx.j, align 8 |
| %fmul.2 = fmul reassoc double %cell.2, %d2 |
| %reass.add = fadd reassoc double %fmul.2, %fmul.1 |
| %reass.mul = fmul reassoc double %reass.add, %delta |
| store double %reass.mul, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| ; |
| ; The following loop will not be modified by the LICM pass: |
| ; |
| ; int j; |
| ; |
| ; for (j = 0; j <= i; j++) |
| ; cells[j] = (d1 * cells[j + 1] + d2 * cells[j] + |
| ; cells[j] * cells[j + 1]) * delta; |
| ; |
| ; This case differs as one of the multiplications involves no invariants. |
| ; |
| |
| define void @innermost_loop_3d_fast_reassociated_different(i32 %i, double %d1, double %d2, double %delta, ptr %cells) { |
| ; REASSOCIATE_ONLY-LABEL: define void @innermost_loop_3d_fast_reassociated_different |
| ; REASSOCIATE_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; REASSOCIATE_ONLY-NEXT: entry: |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; REASSOCIATE_ONLY: for.cond: |
| ; REASSOCIATE_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; REASSOCIATE_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; REASSOCIATE_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; REASSOCIATE_ONLY: for.body: |
| ; REASSOCIATE_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J_3:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; REASSOCIATE_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; REASSOCIATE_ONLY-NEXT: [[CELL_4:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; REASSOCIATE_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_4]], [[D2]] |
| ; REASSOCIATE_ONLY-NEXT: [[EXTRA_MUL:%.*]] = fmul fast double [[CELL_3]], [[CELL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[EXTRA_MUL]], [[FMUL_1]] |
| ; REASSOCIATE_ONLY-NEXT: [[EXTRA_ADD:%.*]] = fadd fast double [[REASS_ADD]], [[FMUL_2]] |
| ; REASSOCIATE_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[EXTRA_ADD]], [[DELTA]] |
| ; REASSOCIATE_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; REASSOCIATE_ONLY-NEXT: br label [[FOR_COND]] |
| ; REASSOCIATE_ONLY: for.end: |
| ; REASSOCIATE_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY-LABEL: define void @innermost_loop_3d_fast_reassociated_different |
| ; LICM_ONLY-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY-NEXT: entry: |
| ; LICM_ONLY-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY: for.cond: |
| ; LICM_ONLY-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY: for.body: |
| ; LICM_ONLY-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_ONLY-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY-NEXT: [[CELL_4:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_ONLY-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_4]], [[D2]] |
| ; LICM_ONLY-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY-NEXT: [[EXTRA_MUL:%.*]] = fmul fast double [[CELL_3]], [[CELL_2]] |
| ; LICM_ONLY-NEXT: [[EXTRA_ADD:%.*]] = fadd fast double [[EXTRA_MUL]], [[REASS_ADD]] |
| ; LICM_ONLY-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[EXTRA_ADD]], [[DELTA]] |
| ; LICM_ONLY-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY: for.end: |
| ; LICM_ONLY-NEXT: ret void |
| ; |
| ; LICM_ONLY_CONSTRAINED-LABEL: define void @innermost_loop_3d_fast_reassociated_different |
| ; LICM_ONLY_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_ONLY_CONSTRAINED-NEXT: entry: |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_ONLY_CONSTRAINED: for.cond: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_ONLY_CONSTRAINED: for.body: |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[CELL_4:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_4]], [[D2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[FMUL_2]], [[FMUL_1]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[EXTRA_MUL:%.*]] = fmul fast double [[CELL_3]], [[CELL_2]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[EXTRA_ADD:%.*]] = fadd fast double [[EXTRA_MUL]], [[REASS_ADD]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[EXTRA_ADD]], [[DELTA]] |
| ; LICM_ONLY_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_ONLY_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_ONLY_CONSTRAINED: for.end: |
| ; LICM_ONLY_CONSTRAINED-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE-LABEL: define void @innermost_loop_3d_fast_reassociated_different |
| ; LICM_AFTER_REASSOCIATE-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE: for.cond: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE: for.body: |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[CELL_4:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_4]], [[D2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[EXTRA_MUL:%.*]] = fmul fast double [[CELL_3]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[EXTRA_MUL]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[EXTRA_ADD:%.*]] = fadd fast double [[REASS_ADD]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[EXTRA_ADD]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE: for.end: |
| ; LICM_AFTER_REASSOCIATE-NEXT: ret void |
| ; |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-LABEL: define void @innermost_loop_3d_fast_reassociated_different |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-SAME: (i32 [[I:%.*]], double [[D1:%.*]], double [[D2:%.*]], double [[DELTA:%.*]], ptr [[CELLS:%.*]]) { |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: entry: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND:%.*]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.cond: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[J:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_J_1:%.*]], [[FOR_BODY:%.*]] ] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CMP_NOT:%.*]] = icmp sgt i32 [[J]], [[I]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br i1 [[CMP_NOT]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.body: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ADD_J_1]] = add nuw nsw i32 [[J]], 1 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_1:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_1:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_1:%.*]] = load double, ptr [[ARRAYIDX_J_1]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J_2:%.*]] = zext i32 [[ADD_J_1]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J_2:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_2:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_3:%.*]] = load double, ptr [[ARRAYIDX_J_2]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[IDXPROM_J:%.*]] = zext i32 [[J]] to i64 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[ARRAYIDX_J:%.*]] = getelementptr inbounds double, ptr [[CELLS]], i64 [[IDXPROM_J]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[CELL_4:%.*]] = load double, ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_1:%.*]] = fmul fast double [[CELL_1]], [[D1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[FMUL_2:%.*]] = fmul fast double [[CELL_4]], [[D2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[EXTRA_MUL:%.*]] = fmul fast double [[CELL_3]], [[CELL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_ADD:%.*]] = fadd fast double [[EXTRA_MUL]], [[FMUL_1]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[EXTRA_ADD:%.*]] = fadd fast double [[REASS_ADD]], [[FMUL_2]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: [[REASS_MUL:%.*]] = fmul fast double [[EXTRA_ADD]], [[DELTA]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: store double [[REASS_MUL]], ptr [[ARRAYIDX_J]], align 8 |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: br label [[FOR_COND]] |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED: for.end: |
| ; LICM_AFTER_REASSOCIATE_CONSTRAINED-NEXT: ret void |
| ; |
| entry: |
| br label %for.cond |
| |
| for.cond: |
| %j = phi i32 [ 0, %entry ], [ %add.j.1, %for.body ] |
| %cmp.not = icmp sgt i32 %j, %i |
| br i1 %cmp.not, label %for.end, label %for.body |
| |
| for.body: |
| %add.j.1 = add nuw nsw i32 %j, 1 |
| %idxprom.j.1 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.1 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.1 |
| %cell.1 = load double, ptr %arrayidx.j.1, align 8 |
| %add.j.2 = add nuw nsw i32 %j, 2 |
| %idxprom.j.2 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.2 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.2 |
| %cell.2 = load double, ptr %arrayidx.j.2, align 8 |
| %add.j.3 = add nuw nsw i32 %j, 3 |
| %idxprom.j.3 = zext i32 %add.j.1 to i64 |
| %arrayidx.j.3 = getelementptr inbounds double, ptr %cells, i64 %idxprom.j.3 |
| %cell.3 = load double, ptr %arrayidx.j.2, align 8 |
| %idxprom.j = zext i32 %j to i64 |
| %arrayidx.j = getelementptr inbounds double, ptr %cells, i64 %idxprom.j |
| %cell.4 = load double, ptr %arrayidx.j, align 8 |
| %fmul.1 = fmul fast double %cell.1, %d1 |
| %fmul.2 = fmul fast double %cell.4, %d2 |
| %reass.add = fadd fast double %fmul.2, %fmul.1 |
| %extra.mul = fmul fast double %cell.3, %cell.2 |
| %extra.add = fadd fast double %extra.mul, %reass.add |
| %reass.mul = fmul fast double %extra.add, %delta |
| store double %reass.mul, ptr %arrayidx.j, align 8 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
