| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 |
| ; Skip dead MemoryPhis when performing memory congruency verification |
| ; in NewGVN. |
| ; RUN: opt -S -passes=newgvn %s | FileCheck %s |
| ; REQUIRES: asserts |
| |
| |
| declare void @llvm.lifetime.start.p0(i64, ptr nocapture) |
| |
| define void @tinkywinky() { |
| ; CHECK-LABEL: define void @tinkywinky() { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 false, label [[BODY:%.*]], label [[END:%.*]] |
| ; CHECK: body: |
| ; CHECK-NEXT: store i8 poison, ptr null, align 1 |
| ; CHECK-NEXT: br label [[END]] |
| ; CHECK: end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| call void @llvm.lifetime.start.p0(i64 4, ptr undef) |
| br i1 false, label %body, label %end |
| |
| body: |
| call void @llvm.lifetime.start.p0(i64 4, ptr undef) |
| br label %end |
| |
| end: |
| ret void |
| } |