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author | Chris Lattner <sabre@nondot.org> | 2008-07-17 06:07:20 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2008-07-17 06:07:20 +0000 |
commit | d137ab47832768b416453ee3e3a568faefa77852 (patch) | |
tree | 52138af43bb893e2aea4ab88dd62095170114531 /test/Transforms/InstCombine | |
parent | f595266b91ea5aef953ce3019557a5f3d3291ff9 (diff) | |
download | llvm-d137ab47832768b416453ee3e3a568faefa77852.tar.gz llvm-d137ab47832768b416453ee3e3a568faefa77852.tar.bz2 llvm-d137ab47832768b416453ee3e3a568faefa77852.tar.xz |
Fix PR2553
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53715 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine')
-rw-r--r-- | test/Transforms/InstCombine/2008-07-16-fsub.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2008-07-16-fsub.ll b/test/Transforms/InstCombine/2008-07-16-fsub.ll new file mode 100644 index 0000000000..1d0554d181 --- /dev/null +++ b/test/Transforms/InstCombine/2008-07-16-fsub.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep sub +; PR2553 + +define double @test(double %X) nounwind { + ; fsub of self can't be optimized away. + %Y = sub double %X, %X + ret double %Y +} |