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d718c85a1d1f403b6df3e04eb351a1e7d0ef8d3f
[oota-llvm.git]
/
test
/
CodeGen
/
X86
/
subreg-to-reg-0.ll
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; RUN: llc < %s -march=x86-64 | grep mov | count 1
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; Do eliminate the zero-extension instruction and rely on
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; x86-64's implicit zero-extension!
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define i64 @foo(i32* %p) nounwind {
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%t = load i32* %p
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%n = add i32 %t, 1
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%z = zext i32 %n to i64
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ret i64 %z
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}