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| author | Dan Gohman <gohman@apple.com> | 2010-06-18 14:22:04 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-06-18 14:22:04 +0000 |
| commit | e368b460a206fafa0d31d5d059b1779b94f7df8c (patch) | |
| tree | 73508159acd14e76dc92313df355849ee75ec35d /lib/Target/PowerPC/PPCISelLowering.cpp | |
| parent | 7720cb3823d5b5868f9b88b0127277820edcb562 (diff) | |
| download | external_llvm-e368b460a206fafa0d31d5d059b1779b94f7df8c.tar.gz external_llvm-e368b460a206fafa0d31d5d059b1779b94f7df8c.tar.bz2 external_llvm-e368b460a206fafa0d31d5d059b1779b94f7df8c.zip | |
Eliminate unnecessary uses of getZExtValue().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106279 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 10b516aa13..63802fab1a 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -5042,19 +5042,19 @@ SDValue PPCTargetLowering::PerformDAGCombine(SDNode *N, default: break; case PPCISD::SHL: if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(0))) { - if (C->getZExtValue() == 0) // 0 << V -> 0. + if (C->isNullValue()) // 0 << V -> 0. return N->getOperand(0); } break; case PPCISD::SRL: if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(0))) { - if (C->getZExtValue() == 0) // 0 >>u V -> 0. + if (C->isNullValue()) // 0 >>u V -> 0. return N->getOperand(0); } break; case PPCISD::SRA: if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(0))) { - if (C->getZExtValue() == 0 || // 0 >>s V -> 0. + if (C->isNullValue() || // 0 >>s V -> 0. C->isAllOnesValue()) // -1 >>s V -> -1. return N->getOperand(0); } |