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| author | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
|---|---|---|
| committer | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
| commit | f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch) | |
| tree | ebb79ea1ee5e3bc1fdf38541a811a8b804f0679a /test/Transforms/SimplifyCFG/PhiBlockMerge2.ll | |
| download | external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.zip external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.gz external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.bz2 | |
It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyCFG/PhiBlockMerge2.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/PhiBlockMerge2.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll b/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll new file mode 100644 index 0000000..01060ed --- /dev/null +++ b/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll @@ -0,0 +1,21 @@ +; Test merging of blocks that only have PHI nodes in them. This tests the case +; where the mergedinto block doesn't have any PHI nodes, and is in fact +; dominated by the block-to-be-eliminated +; +; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | not grep N: +; + +int %test(bool %a, bool %b) { + br bool %b, label %N, label %Q +Q: + br label %N +N: + %W = phi int [0, %0], [1, %Q] + ; This block should be foldable into M + br label %M + +M: + %R = add int %W, 1 + ret int %R +} + |