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| author | Chris Lattner <sabre@nondot.org> | 2006-04-15 23:38:00 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-15 23:38:00 +0000 |
| commit | 547a16f27315a08527c41dc521c7cdf6ad9a0b6c (patch) | |
| tree | 876345dcc76a8b38df975b28f202d086e908549e /lib/CodeGen | |
| parent | 60d3fa24ba0edf936050adca71d9057ed8fae99c (diff) | |
| download | external_llvm-547a16f27315a08527c41dc521c7cdf6ad9a0b6c.zip external_llvm-547a16f27315a08527c41dc521c7cdf6ad9a0b6c.tar.gz external_llvm-547a16f27315a08527c41dc521c7cdf6ad9a0b6c.tar.bz2 | |
Make these predicates return true for bit_convert(buildvector)'s as well as
buildvectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27723 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index bcdbef1..75281d5 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -73,6 +73,10 @@ bool ConstantFPSDNode::isExactlyValue(double V) const { /// isBuildVectorAllOnes - Return true if the specified node is a /// BUILD_VECTOR where all of the elements are ~0 or undef. bool ISD::isBuildVectorAllOnes(const SDNode *N) { + // Look through a bit convert. + if (N->getOpcode() == ISD::BIT_CONVERT) + N = N->getOperand(0).Val; + if (N->getOpcode() != ISD::BUILD_VECTOR) return false; unsigned i = 0, e = N->getNumOperands(); @@ -117,6 +121,10 @@ bool ISD::isBuildVectorAllOnes(const SDNode *N) { /// isBuildVectorAllZeros - Return true if the specified node is a /// BUILD_VECTOR where all of the elements are 0 or undef. bool ISD::isBuildVectorAllZeros(const SDNode *N) { + // Look through a bit convert. + if (N->getOpcode() == ISD::BIT_CONVERT) + N = N->getOperand(0).Val; + if (N->getOpcode() != ISD::BUILD_VECTOR) return false; unsigned i = 0, e = N->getNumOperands(); |