| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -loops -basic-aa -gvn -enable-load-pre -S | FileCheck %s |
| |
| define dso_local void @test1(i32* nocapture readonly %aa, i32* nocapture %bb) local_unnamed_addr { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[IDX:%.*]] = getelementptr inbounds i32, i32* [[BB:%.*]], i64 1 |
| ; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds i32, i32* [[AA:%.*]], i64 1 |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[IDX2]], align 4 |
| ; CHECK-NEXT: store i32 [[TMP0]], i32* [[IDX]], align 4 |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[DOTPRE:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE:%.*]] ] |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY_FOR_BODY_CRIT_EDGE]] ] |
| ; CHECK-NEXT: [[IDX4:%.*]] = getelementptr inbounds i32, i32* [[AA]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[IDX4]], align 4, !llvm.access.group !0 |
| ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: store i32 [[MUL]], i32* [[IDX4]], align 4, !llvm.access.group !0 |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], 100 |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY_FOR_BODY_CRIT_EDGE]], label [[FOR_END:%.*]] |
| ; CHECK: for.body.for.body_crit_edge: |
| ; CHECK-NEXT: [[DOTPRE]] = load i32, i32* [[IDX]], align 4, !llvm.access.group !0 |
| ; CHECK-NEXT: br label [[FOR_BODY]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %idx = getelementptr inbounds i32, i32* %bb, i64 1 |
| %idx2 = getelementptr inbounds i32, i32* %aa, i64 1 |
| %0 = load i32, i32* %idx2, align 4 |
| store i32 %0, i32* %idx, align 4 |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %idx4 = getelementptr inbounds i32, i32* %aa, i64 %indvars.iv |
| %1 = load i32, i32* %idx4, align 4, !llvm.access.group !0 |
| %2 = load i32, i32* %idx, align 4, !llvm.access.group !0 |
| %mul = mul nsw i32 %2, %1 |
| store i32 %mul, i32* %idx4, align 4, !llvm.access.group !0 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp ne i64 %indvars.iv.next, 100 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.end: |
| ret void |
| } |
| |
| !0 = distinct !{} |
| |
| define dso_local void @test2(i32* nocapture readonly %aa, i32* nocapture %bb) local_unnamed_addr { |
| ; CHECK-LABEL: @test2( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IDX:%.*]] = getelementptr inbounds i32, i32* [[BB:%.*]], i64 1 |
| ; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds i32, i32* [[AA:%.*]], i64 1 |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[IDX2]], align 4 |
| ; CHECK-NEXT: store i32 [[TMP0]], i32* [[IDX]], align 4 |
| ; CHECK-NEXT: [[DOTPRE:%.*]] = load i32, i32* [[AA]], align 4 |
| ; CHECK-NEXT: br label [[FOR_BODY2:%.*]] |
| ; CHECK: for.body2: |
| ; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[FOR_BODY]] ], [ [[DOTPRE1:%.*]], [[FOR_BODY2_FOR_BODY2_CRIT_EDGE:%.*]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = phi i32 [ [[DOTPRE]], [[FOR_BODY]] ], [ [[MUL:%.*]], [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]] ] |
| ; CHECK-NEXT: [[INDVARS2_IV:%.*]] = phi i64 [ 0, [[FOR_BODY]] ], [ 1, [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]] ] |
| ; CHECK-NEXT: [[MUL]] = mul nsw i32 [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: store i32 [[MUL]], i32* [[AA]], align 4, !llvm.access.group !1 |
| ; CHECK-NEXT: br i1 true, label [[FOR_BODY2_FOR_BODY2_CRIT_EDGE]], label [[FOR_END:%.*]] |
| ; CHECK: for.body2.for.body2_crit_edge: |
| ; CHECK-NEXT: [[DOTPRE1]] = load i32, i32* [[IDX]], align 4, !llvm.access.group !1 |
| ; CHECK-NEXT: br label [[FOR_BODY2]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: br i1 false, label [[FOR_END_FOR_BODY_CRIT_EDGE:%.*]], label [[END:%.*]] |
| ; CHECK: for.end.for.body_crit_edge: |
| ; CHECK-NEXT: br label [[FOR_BODY]] |
| ; CHECK: end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.end ] |
| %idx = getelementptr inbounds i32, i32* %bb, i64 1 |
| %idx2 = getelementptr inbounds i32, i32* %aa, i64 1 |
| %0 = load i32, i32* %idx2, align 4 |
| store i32 %0, i32* %idx, align 4 |
| br label %for.body2 |
| |
| for.body2: |
| %indvars2.iv = phi i64 [ 0, %for.body ], [ %indvars2.iv.next, %for.body2 ] |
| %idx4 = getelementptr inbounds i32, i32* %aa, i64 %indvars.iv |
| %1 = load i32, i32* %idx4, align 4, !llvm.access.group !1 |
| %2 = load i32, i32* %idx, align 4, !llvm.access.group !1 |
| %mul = mul nsw i32 %2, %1 |
| store i32 %mul, i32* %idx4, align 4, !llvm.access.group !1 |
| %indvars2.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond2 = icmp ne i64 %indvars2.iv.next, 100 |
| br i1 %exitcond2, label %for.body2, label %for.end |
| |
| for.end: |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp ne i64 %indvars.iv.next, 100 |
| br i1 %exitcond, label %for.body, label %end |
| |
| end: |
| ret void |
| } |
| |
| !1 = distinct !{} |