1 ; RUN: opt -S < %s -instcombine | FileCheck %s
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-macosx10.7.0"
6 ; Check transforms involving atomic operations
8 define i32* @test1(i8** %p) {
9 ; CHECK-LABEL: define i32* @test1(
10 ; CHECK: load atomic i8** %p monotonic, align 8
11 %c = bitcast i8** %p to i32**
12 %r = load atomic i32** %c monotonic, align 8
16 define i32 @test2(i32* %p) {
17 ; CHECK-LABEL: define i32 @test2(
18 ; CHECK: %x = load atomic i32* %p seq_cst, align 4
19 ; CHECK: shl i32 %x, 1
20 %x = load atomic i32* %p seq_cst, align 4
21 %y = load i32* %p, align 4