17 lines
566 B
LLVM
17 lines
566 B
LLVM
; RUN: opt -S < %s -instcombine | FileCheck %s
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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"
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target triple = "x86_64-apple-macosx10.7.0"
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; Check transforms involving atomic operations
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define i32 @test2(i32* %p) {
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; CHECK-LABEL: define i32 @test2(
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; CHECK: %x = load atomic i32, i32* %p seq_cst, align 4
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; CHECK: shl i32 %x, 1
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%x = load atomic i32, i32* %p seq_cst, align 4
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%y = load i32, i32* %p, align 4
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%z = add i32 %x, %y
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ret i32 %z
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}
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