| Owen Anderson | 653cb03 | 2011-09-06 23:33:25 +0000 | [diff] [blame] | 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 |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 16 | %l = load i32, i32* @z |
| Owen Anderson | 653cb03 | 2011-09-06 23:33:25 +0000 | [diff] [blame] | 17 | ; CHECK: ret i32 1 |
| 18 | ret i32 %l |
| 19 | } |
| 20 | |
| Philip Reames | ae050a5 | 2016-01-06 04:53:16 +0000 | [diff] [blame] | 21 | declare void @memset_pattern16(i8*, i8* readonly, i64) argmemonly |