1; RUN: opt -S -passes=licm < %s | FileCheck %s 2 3target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 4target triple = "i686-pc-windows-msvc18.0.0" 5 6; Make sure the store to v is not sunk past the memset 7; CHECK-LABEL: @main 8; CHECK: for.body: 9; CHECK-NEXT: store i8 1, ptr %p 10; CHECK-NEXT: store i8 2, ptr %p1 11; CHECK-NEXT: call void @llvm.memset 12; CHECK: end: 13; CHECK-NEXT: ret i32 0 14 15define i32 @main(i1 %k, ptr %p) { 16entry: 17 %p1 = getelementptr i8, ptr %p, i32 1 18 br label %for.body 19 20for.body: 21 store i8 1, ptr %p, align 1 22 store i8 2, ptr %p1, align 1 23 call void @llvm.memset.p0.i32(ptr %p, i8 255, i32 4, i1 false) 24 br label %for.latch 25 26for.latch: 27 br i1 %k, label %for.body, label %end 28 29end: 30 ret i32 0 31} 32 33declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) 34