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| author | Dan Gohman <gohman@apple.com> | 2008-03-11 21:47:57 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-03-11 21:47:57 +0000 |
| commit | a8ab8938a724d4ced548103257281c871d0422bd (patch) | |
| tree | 8d8b54442452fb1f6b6b4bcf51d2041d05f301aa /test/Transforms/SimplifyCFG/PhiBlockMerge2.ll | |
| parent | 0fb2033f913cb0e2f5d3ec54567e6ae18b1ea3bc (diff) | |
| download | llvm-a8ab8938a724d4ced548103257281c871d0422bd.tar.gz llvm-a8ab8938a724d4ced548103257281c871d0422bd.tar.bz2 llvm-a8ab8938a724d4ced548103257281c871d0422bd.tar.xz | |
Make this test more challenging to help it avoid being
optimized away before it tests what it is intended to test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48251 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyCFG/PhiBlockMerge2.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/PhiBlockMerge2.ll | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll b/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll index 3137fa999c..24b3d118e7 100644 --- a/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll +++ b/test/Transforms/SimplifyCFG/PhiBlockMerge2.ll @@ -5,12 +5,18 @@ ; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | not grep N: ; +declare i1 @foo() + define i32 @test(i1 %a, i1 %b) { - br i1 %b, label %N, label %Q + %c = call i1 @foo() + br i1 %c, label %N, label %P +P: + %d = call i1 @foo() + br i1 %d, label %N, label %Q Q: br label %N N: - %W = phi i32 [0, %0], [1, %Q] + %W = phi i32 [0, %0], [1, %Q], [2, %P] ; This block should be foldable into M br label %M |