forked from OSchip/llvm-project
15 lines
375 B
LLVM
15 lines
375 B
LLVM
; RUN: llc < %s -march=x86 | FileCheck %s
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; This should not load or store the top part of *P.
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define void @test(i64* %P) nounwind {
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; CHECK: test:
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; CHECK: movl 4(%esp), %[[REGISTER:.*]]
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; CHECK-NOT: 4(%[[REGISTER]])
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; CHECK: ret
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%tmp1 = load i64* %P, align 8 ; <i64> [#uses=1]
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%tmp2 = xor i64 %tmp1, 1 ; <i64> [#uses=1]
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store i64 %tmp2, i64* %P, align 8
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ret void
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}
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