| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s |
| |
| declare void @unknown_fun() |
| |
| define void @different_type(ptr %ptr, i1 %cmp) { |
| ; CHECK-LABEL: @different_type( |
| ; CHECK-NEXT: store i32 0, ptr [[PTR:%.*]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF_THEN:%.*]], label [[RET_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: store i64 1, ptr [[PTR]], align 4 |
| ; CHECK-NEXT: br label [[RET_END]] |
| ; CHECK: ret.end: |
| ; CHECK-NEXT: ret void |
| ; |
| store i32 0, ptr %ptr |
| br i1 %cmp, label %if.then, label %ret.end |
| |
| if.then: |
| store i64 1, ptr %ptr |
| br label %ret.end |
| |
| ret.end: |
| ret void |
| } |
| |
| define void @readonly_call(ptr %ptr, i1 %cmp) { |
| ; CHECK-LABEL: @readonly_call( |
| ; CHECK-NEXT: ret.end: |
| ; CHECK-NEXT: store i32 0, ptr [[PTR:%.*]], align 4 |
| ; CHECK-NEXT: call void @unknown_fun() #[[ATTR0:[0-9]+]] |
| ; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[CMP:%.*]], i32 1, i32 0 |
| ; CHECK-NEXT: store i32 [[SPEC_STORE_SELECT]], ptr [[PTR]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| store i32 0, ptr %ptr |
| call void @unknown_fun() readonly |
| br i1 %cmp, label %if.then, label %ret.end |
| |
| if.then: |
| store i32 1, ptr %ptr |
| br label %ret.end |
| |
| ret.end: |
| ret void |
| } |
| |
| define void @atomic_and_simple(ptr %ptr, i1 %cmp) { |
| ; CHECK-LABEL: @atomic_and_simple( |
| ; CHECK-NEXT: store atomic i32 0, ptr [[PTR:%.*]] seq_cst, align 4 |
| ; CHECK-NEXT: br i1 [[CMP:%.*]], label [[IF_THEN:%.*]], label [[RET_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: store i32 1, ptr [[PTR]], align 4 |
| ; CHECK-NEXT: br label [[RET_END]] |
| ; CHECK: ret.end: |
| ; CHECK-NEXT: ret void |
| ; |
| store atomic i32 0, ptr %ptr seq_cst, align 4 |
| br i1 %cmp, label %if.then, label %ret.end |
| |
| if.then: |
| store i32 1, ptr %ptr |
| br label %ret.end |
| |
| ret.end: |
| ret void |
| } |