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authorChris Lattner <sabre@nondot.org>2006-04-14 23:19:08 +0000
committerChris Lattner <sabre@nondot.org>2006-04-14 23:19:08 +0000
commitb097aa9353121cf6713408402022b8843a0f6acc (patch)
treebb09802ebfd5dfb5e90cd01da2b4f4df7a3c4dfb /lib/Target
parentf95670f6fc29c0b103428265a8c594d6b8871083 (diff)
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Allow undef in a shuffle mask
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 99d3a47..8fa5f84 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -416,6 +416,7 @@ bool PPC::isSplatShuffleMask(SDNode *N, unsigned EltSize) {
assert(isa<ConstantSDNode>(Elt) && "Invalid VECTOR_SHUFFLE mask!");
for (unsigned i = EltSize, e = 16; i != e; i += EltSize) {
+ if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue;
assert(isa<ConstantSDNode>(N->getOperand(i)) &&
"Invalid VECTOR_SHUFFLE mask!");
for (unsigned j = 0; j != EltSize; ++j)