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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-04-10 00:16:22 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-04-10 00:16:22 +0000 |
| commit | fdb230a154ead49cf0ded5b4587be994ec2f43e0 (patch) | |
| tree | 5f06fe3d706c779f383e7b64a0e7500449c6c714 /lib | |
| parent | 2d620c571cb53993b788893b6ef73a6e2805411f (diff) | |
| download | external_llvm-fdb230a154ead49cf0ded5b4587be994ec2f43e0.zip external_llvm-fdb230a154ead49cf0ded5b4587be994ec2f43e0.tar.gz external_llvm-fdb230a154ead49cf0ded5b4587be994ec2f43e0.tar.bz2 | |
Don't try to zExt just to check if an integer constant is zero, it might
not fit in a i64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154364 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index dbc1ca9..cf7ce58 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4431,9 +4431,9 @@ static bool isTruncateOf(SelectionDAG &DAG, SDValue N, SDValue &Op, ConstantSDNode *COp0 = dyn_cast<ConstantSDNode>(Op0); ConstantSDNode *COp1 = dyn_cast<ConstantSDNode>(Op1); - if (COp0 && COp0->getZExtValue() == 0) + if (COp0 && COp0->isNullValue()) Op = Op1; - else if (COp1 && COp1->getZExtValue() == 0) + else if (COp1 && COp1->isNullValue()) Op = Op0; else return false; |