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author | Nick Lewycky <nicholas@mxc.ca> | 2012-06-24 10:15:42 +0000 |
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committer | Nick Lewycky <nicholas@mxc.ca> | 2012-06-24 10:15:42 +0000 |
commit | edb5842b7cf53ba4a4b5d3e1bad49a9fad47c02b (patch) | |
tree | 0e82ce0a7cb7d17aa5e3ec1ee617df89b4e87fdf /test | |
parent | e7f702fc2d496aff1e5c1153519931e203b1ca76 (diff) | |
download | external_llvm-edb5842b7cf53ba4a4b5d3e1bad49a9fad47c02b.zip external_llvm-edb5842b7cf53ba4a4b5d3e1bad49a9fad47c02b.tar.gz external_llvm-edb5842b7cf53ba4a4b5d3e1bad49a9fad47c02b.tar.bz2 |
Remove dyn_cast + dereference pattern by replacing it with a cast and changing
the safety check to look for the same type we're going to actually cast to.
Fixes PR13180!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159110 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/SimplifyCFG/branch-fold.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/branch-fold.ll b/test/Transforms/SimplifyCFG/branch-fold.ll index 70c5fb5..7097dea 100644 --- a/test/Transforms/SimplifyCFG/branch-fold.ll +++ b/test/Transforms/SimplifyCFG/branch-fold.ll @@ -50,3 +50,21 @@ c: %o2 = phi i1 [ false, %a ], [ %phitmp, %b ], [ false, %entry ] ret i1 %o2 } + +; PR13180 +define void @pr13180(i8 %p) { +entry: + %tobool = icmp eq i8 %p, 0 + br i1 %tobool, label %cond.false, label %cond.true + +cond.true: ; preds = %entry + br label %cond.end + +cond.false: ; preds = %entry + %phitmp = icmp eq i8 %p, 0 + br label %cond.end + +cond.end: ; preds = %cond.false, %cond.true + %cond = phi i1 [ undef, %cond.true ], [ %phitmp, %cond.false ] + unreachable +} |