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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
504 B
LLVM
19 lines
504 B
LLVM
; Test merging of blocks with phi nodes.
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;
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; RUN: opt < %s -simplifycfg -S | not grep N:
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;
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define i32 @test(i1 %a) {
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Q:
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br i1 %a, label %N, label %M
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N: ; preds = %Q
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br label %M
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M: ; preds = %N, %Q
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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 i32 [ 2, %N ], [ 2, %Q ] ; <i32> [#uses=1]
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%R = add i32 %W, 1 ; <i32> [#uses=1]
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ret i32 %R
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}
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