| ; RUN: opt -S -basicaa -gvn < %s | FileCheck %s |
| ; PR10872 |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-apple-macosx10.7" |
| |
| @z = internal global i32 0, align 4 |
| @y = internal global i32 0, align 4 |
| @x = internal constant i32 0, align 4 |
| |
| ; CHECK: @test |
| define i32 @test() nounwind uwtable ssp { |
| entry: |
| store i32 1, i32* @z |
| tail call void @memset_pattern16(i8* bitcast (i32* @y to i8*), i8* bitcast (i32* @x to i8*), i64 4) nounwind |
| ; CHECK-NOT: load |
| %l = load i32* @z |
| ; CHECK: ret i32 1 |
| ret i32 %l |
| } |
| |
| declare void @memset_pattern16(i8*, i8*, i64) |
