| ; RUN: opt -S -passes=licm < %s | FileCheck %s |
| |
| target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" |
| target triple = "i686-pc-windows-msvc18.0.0" |
| |
| ; Make sure the store to v is not sunk past the memset |
| ; CHECK-LABEL: @main |
| ; CHECK: for.body: |
| ; CHECK-NEXT: store i8 1, ptr %p |
| ; CHECK-NEXT: store i8 2, ptr %p1 |
| ; CHECK-NEXT: call void @llvm.memset |
| ; CHECK: end: |
| ; CHECK-NEXT: ret i32 0 |
| |
| define i32 @main(i1 %k, ptr %p) { |
| entry: |
| %p1 = getelementptr i8, ptr %p, i32 1 |
| br label %for.body |
| |
| for.body: |
| store i8 1, ptr %p, align 1 |
| store i8 2, ptr %p1, align 1 |
| call void @llvm.memset.p0.i32(ptr %p, i8 255, i32 4, i1 false) |
| br label %for.latch |
| |
| for.latch: |
| br i1 %k, label %for.body, label %end |
| |
| end: |
| ret i32 0 |
| } |
| |
| declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) |
