| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=simplifycfg -sink-common-insts -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s |
| |
| define ptr @test_sink_gep(i1 %c, ptr %p) { |
| ; CHECK-LABEL: @test_sink_gep( |
| ; CHECK-NEXT: join: |
| ; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i32, ptr [[P:%.*]], i64 1 |
| ; CHECK-NEXT: ret ptr [[GEP2]] |
| ; |
| br i1 %c, label %if, label %else |
| |
| if: |
| %gep1 = getelementptr i32, ptr %p, i64 1 |
| br label %join |
| |
| else: |
| %gep2 = getelementptr i32, ptr %p, i64 1 |
| br label %join |
| |
| join: |
| %phi = phi ptr [ %gep1, %if ], [ %gep2, %else] |
| ret ptr %phi |
| } |
| |
| define ptr @test_sink_gep_different_types(i1 %c, ptr %p) { |
| ; CHECK-LABEL: @test_sink_gep_different_types( |
| ; CHECK-NEXT: join: |
| ; CHECK-NEXT: [[GEP1:%.*]] = getelementptr i32, ptr [[P:%.*]], i64 1 |
| ; CHECK-NEXT: [[GEP2:%.*]] = getelementptr i64, ptr [[P]], i64 1 |
| ; CHECK-NEXT: [[PHI:%.*]] = select i1 [[C:%.*]], ptr [[GEP1]], ptr [[GEP2]] |
| ; CHECK-NEXT: ret ptr [[PHI]] |
| ; |
| br i1 %c, label %if, label %else |
| |
| if: |
| %gep1 = getelementptr i32, ptr %p, i64 1 |
| br label %join |
| |
| else: |
| %gep2 = getelementptr i64, ptr %p, i64 1 |
| br label %join |
| |
| join: |
| %phi = phi ptr [ %gep1, %if ], [ %gep2, %else] |
| ret ptr %phi |
| } |
| |
| define void @test_cond_store_merge(i1 %arg, i1 %arg2, ptr %p) { |
| ; CHECK-LABEL: @test_cond_store_merge( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: br i1 [[ARG:%.*]], label [[BB2:%.*]], label [[BB3:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: store i64 0, ptr [[P:%.*]], align 32 |
| ; CHECK-NEXT: br label [[BB3]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: br i1 [[ARG2:%.*]], label [[BB4:%.*]], label [[BB5:%.*]] |
| ; CHECK: bb4: |
| ; CHECK-NEXT: store double 0.000000e+00, ptr [[P]], align 32 |
| ; CHECK-NEXT: br label [[BB5]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: ret void |
| ; |
| bb: |
| br i1 %arg, label %bb2, label %bb3 |
| |
| bb2: ; preds = %bb |
| store i64 0, ptr %p, align 32 |
| br label %bb3 |
| |
| bb3: ; preds = %bb2, %bb |
| br i1 %arg2, label %bb4, label %bb5 |
| |
| bb4: ; preds = %bb3 |
| store double 0.000000e+00, ptr %p, align 32 |
| br label %bb5 |
| |
| bb5: ; preds = %bb4, %bb3 |
| ret void |
| } |
