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17 lines
436 B
LLVM
17 lines
436 B
LLVM
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep -C 1 Loop: | grep Canonical
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; The indvar simplification code should ensure that the first PHI in the block
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; is the canonical one!
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int %test() {
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br label %Loop
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Loop:
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%NonIndvar = phi int [200, %0], [%NonIndvarNext, %Loop]
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%Canonical = phi int [0, %0], [%CanonicalNext, %Loop]
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%NonIndvarNext = div int %NonIndvar, 2
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%CanonicalNext = add int %Canonical, 1
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br label %Loop
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}
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