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New testcase for feature simplifycfg should handle

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5698 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-03-05 20:35:24 +00:00
parent a8bda21c8d
commit ceb536eda3
1 changed files with 21 additions and 0 deletions
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21
test/Transforms/SimplifyCFG/EqualPHIEdgeBlockMerge.ll Normal file
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; Test merging of blocks with phi nodes.
;
; RUN: if as < %s | opt -simplifycfg | dis | grep 'N:'
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
;
int %test(bool %a) {
Q:
br bool %a, label %N, label %M
N:
br label %M
M:
; It's ok to merge N and M because the incoming values for W are the
; same for both cases...
%W = phi int [2, %N], [2, %Q]
%R = add int %W, 1
ret int %R
}