1; RUN: opt -S < %s -instcombine | FileCheck %s
2
3target 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"
4target triple = "x86_64-apple-macosx10.7.0"
5
6; Check transforms involving atomic operations
7
8define i32 @test2(i32* %p) {
9; CHECK-LABEL: define i32 @test2(
10; CHECK: %x = load atomic i32* %p seq_cst, align 4
11; CHECK: shl i32 %x, 1
12  %x = load atomic i32* %p seq_cst, align 4
13  %y = load i32* %p, align 4
14  %z = add i32 %x, %y
15  ret i32 %z
16}
17