[llvm-branch-commits] [llvm-branch] r109615 - in /llvm/branches/Apple/Morbo: ./ lib/CodeGen/SelectionDAG/DAGCombiner.cpp test/CodeGen/Generic/2010-07-27-DAGCombineCrash.ll
Bill Wendling
isanbard at gmail.com
Wed Jul 28 11:40:55 PDT 2010
Author: void
Date: Wed Jul 28 13:40:55 2010
New Revision: 109615
URL: http://llvm.org/viewvc/llvm-project?rev=109615&view=rev
Log:
$ svn merge -c 109519 https://llvm.org/svn/llvm-project/llvm/trunk
--- Merging r109519 into '.':
A test/CodeGen/Generic/2010-07-27-DAGCombineCrash.ll
U lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Added:
llvm/branches/Apple/Morbo/test/CodeGen/Generic/2010-07-27-DAGCombineCrash.ll
- copied unchanged from r109519, llvm/trunk/test/CodeGen/Generic/2010-07-27-DAGCombineCrash.ll
Modified:
llvm/branches/Apple/Morbo/ (props changed)
llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
Propchange: llvm/branches/Apple/Morbo/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Jul 28 13:40:55 2010
@@ -1,3 +1,3 @@
/llvm/branches/Apple/Hermes:96832,96835,96858,96870,96876,96879,104427,104930,104971
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/llvm-gcc-4.2/trunk:104182
Modified: llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=109615&r1=109614&r2=109615&view=diff
==============================================================================
--- llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/branches/Apple/Morbo/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Wed Jul 28 13:40:55 2010
@@ -4361,6 +4361,16 @@
// If this is a conversion of N elements of one type to N elements of another
// type, convert each element. This handles FP<->INT cases.
if (SrcBitSize == DstBitSize) {
+ EVT VT = EVT::getVectorVT(*DAG.getContext(), DstEltVT,
+ BV->getValueType(0).getVectorNumElements());
+
+ // Due to the FP element handling below calling this routine recursively,
+ // we can end up with a scalar-to-vector node here.
+ if (BV->getOpcode() == ISD::SCALAR_TO_VECTOR)
+ return DAG.getNode(ISD::SCALAR_TO_VECTOR, BV->getDebugLoc(), VT,
+ DAG.getNode(ISD::BIT_CONVERT, BV->getDebugLoc(),
+ DstEltVT, BV->getOperand(0)));
+
SmallVector<SDValue, 8> Ops;
for (unsigned i = 0, e = BV->getNumOperands(); i != e; ++i) {
SDValue Op = BV->getOperand(i);
@@ -4372,8 +4382,6 @@
DstEltVT, Op));
AddToWorkList(Ops.back().getNode());
}
- EVT VT = EVT::getVectorVT(*DAG.getContext(), DstEltVT,
- BV->getValueType(0).getVectorNumElements());
return DAG.getNode(ISD::BUILD_VECTOR, BV->getDebugLoc(), VT,
&Ops[0], Ops.size());
}
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