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Find loop back edges only after empty blocks are eliminated.
[oota-llvm.git]
/
test
/
CodeGen
/
X86
/
xor-undef.ll
1
; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep xor | count 2
2
3
define <4 x i32> @t1() {
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%tmp = xor <4 x i32> undef, undef
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ret <4 x i32> %tmp
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}
7
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define i32 @t2() {
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%tmp = xor i32 undef, undef
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ret i32 %tmp
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}