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; RUN: opt -S < %s -instcombine | FileCheck %s
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-macosx10.7.0"
; Check transforms involving atomic operations
define i32* @test1(i8** %p) {
; CHECK: define i32* @test1
; CHECK: load atomic i8** %p monotonic, align 8
%c = bitcast i8** %p to i32**
%r = load atomic i32** %c monotonic, align 8
ret i32* %r
}
define i32 @test2(i32* %p) {
; CHECK: define i32 @test2
; CHECK: %x = load atomic i32* %p seq_cst, align 4
; CHECK: shl i32 %x, 1
%x = load atomic i32* %p seq_cst, align 4
%y = load i32* %p, align 4
%z = add i32 %x, %y
ret i32 %z
}
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