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21 lines
391 B
LLVM
21 lines
391 B
LLVM
; This test shows a case where SCCP is incorrectly eliminating the PHI node
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; because it thinks it has a constant 0 value, when it really doesn't.
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; RUN: llvm-as < %s | opt -sccp | llvm-dis | grep phi
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int "test"(int %A, bool %c) {
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bb1:
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br label %BB2
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BB2:
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%V = phi int [0, %bb1], [%A, %BB4]
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br label %BB3
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BB3:
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br bool %c, label %BB4, label %BB5
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BB4:
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br label %BB2
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BB5:
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ret int %V
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}
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