forked from OSchip/llvm-project
19 lines
372 B
LLVM
19 lines
372 B
LLVM
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; Test merging of blocks with phi nodes.
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;
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; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | not grep 'N:'
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;
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int %test(bool %a) {
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Q:
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br bool %a, label %N, label %M
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N:
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br label %M
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M:
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; It's ok to merge N and M because the incoming values for W are the
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; same for both cases...
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%W = phi int [2, %N], [2, %Q]
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%R = add int %W, 1
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ret int %R
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}
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