; 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
}