forked from OSchip/llvm-project
17 lines
551 B
LLVM
17 lines
551 B
LLVM
; 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 @test2(i32* %p) {
|
|
; CHECK-LABEL: 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
|
|
}
|