1 ; RUN: opt -S -basicaa -gvn < %s | FileCheck %s 2 ; PR10872 3 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" 4 target triple = "x86_64-apple-macosx10.7" 5 6 @z = internal global i32 0, align 4 7 @y = internal global i32 0, align 4 8 @x = internal constant i32 0, align 4 9 10 ; CHECK: @test 11 define i32 @test() nounwind uwtable ssp { 12 entry: 13 store i32 1, i32* @z 14 tail call void @memset_pattern16(i8* bitcast (i32* @y to i8*), i8* bitcast (i32* @x to i8*), i64 4) nounwind 15 ; CHECK-NOT: load 16 %l = load i32* @z 17 ; CHECK: ret i32 1 18 ret i32 %l 19 } 20 21 declare void @memset_pattern16(i8*, i8*, i64) 22
