forked from OSchip/llvm-project
34 lines
594 B
LLVM
34 lines
594 B
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s
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; CodeGen should remat the zero instead of spilling it.
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declare void @foo(i64 %p)
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; CHECK: bar:
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; CHECK: xorl %edi, %edi
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; CHECK: xorl %edi, %edi
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define void @bar() nounwind {
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call void @foo(i64 0)
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call void @foo(i64 0)
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ret void
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}
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; CHECK: bat:
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; CHECK: movq $-1, %rdi
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; CHECK: movq $-1, %rdi
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define void @bat() nounwind {
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call void @foo(i64 -1)
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call void @foo(i64 -1)
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ret void
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}
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; CHECK: bau:
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; CHECK: movl $1, %edi
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; CHECK: movl $1, %edi
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define void @bau() nounwind {
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call void @foo(i64 1)
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call void @foo(i64 1)
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ret void
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}
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