From 547a16f27315a08527c41dc521c7cdf6ad9a0b6c Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 15 Apr 2006 23:38:00 +0000 Subject: [PATCH] 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 --- lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index bcdbef17ec4..75281d5a85d 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(); -- 2.34.1