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authorMon P Wang <wangmp@apple.com>2008-12-09 05:46:39 +0000
committerMon P Wang <wangmp@apple.com>2008-12-09 05:46:39 +0000
commit4dd832d24133612f09af3c4fb0d36e63fb5ee6f3 (patch)
tree3be72357a03ee634d44ec7082cacfc153b6900eb /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
parent56b20ffc5facbc5222992b1216ba416c038aaf22 (diff)
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Fix getNode to allow a vector for the shift amount for shifts of vectors.
Fix the shift amount when unrolling a vector shift into scalar shifts. Fix problem in getShuffleScalarElt where it assumes that the input of a bit convert must be a vector. llvm-svn: 60740
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 6fc2a67..34f0cca 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2066,7 +2066,8 @@ SDValue SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) {
if (V.getOpcode() == ISD::BIT_CONVERT) {
V = V.getOperand(0);
- if (V.getValueType().getVectorNumElements() != NumElems)
+ MVT VVT = V.getValueType();
+ if (!VVT.isVector() || VVT.getVectorNumElements() != NumElems)
return SDValue();
}
if (V.getOpcode() == ISD::SCALAR_TO_VECTOR)
@@ -2418,7 +2419,8 @@ SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
"Shift operators return type must be the same as their first arg");
assert(VT.isInteger() && N2.getValueType().isInteger() &&
"Shifts only work on integers");
- assert(N2.getValueType() == TLI.getShiftAmountTy() &&
+ assert((N2.getValueType() == TLI.getShiftAmountTy() ||
+ (N2.getValueType().isVector() && N2.getValueType().isInteger())) &&
"Wrong type for shift amount");
// Always fold shifts of i1 values so the code generator doesn't need to