Changes in directory llvm/lib/CodeGen/SelectionDAG:
SelectionDAGISel.cpp updated: 1.227 -> 1.228
---
Log message:
Insert a VBIT_CONVERT between a FORMAL_ARGUMENT node and its vector uses
(VAND, VADD, etc.). Legalizer will assert otherwise.
---
Diffs of the changes: (+16 -3)
SelectionDAGISel.cpp | 19 ++++++++++++++++---
1 files changed, 16 insertions(+), 3 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.227
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.228
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.227 Tue Apr 25
18:03:35 2006
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Thu Apr 27 03:29:42 2006
@@ -2372,7 +2372,7 @@
// right now.
unsigned NumElems = cast<PackedType>(I->getType())->getNumElements();
const Type *EltTy = cast<PackedType>(I->getType())->getElementType();
-
+
// Figure out if there is a Packed type corresponding to this Vector
// type. If so, convert to the packed type.
MVT::ValueType TVT = MVT::getVectorType(getValueType(EltTy), NumElems);
@@ -2441,7 +2441,7 @@
// right now.
unsigned NumElems = cast<PackedType>(I->getType())->getNumElements();
const Type *EltTy = cast<PackedType>(I->getType())->getElementType();
-
+
// Figure out if there is a Packed type corresponding to this Vector
// type. If so, convert to the packed type.
MVT::ValueType TVT = MVT::getVectorType(getValueType(EltTy), NumElems);
@@ -2987,7 +2987,20 @@
AI != E; ++AI, ++a)
if (!AI->use_empty()) {
SDL.setValue(AI, Args[a]);
-
+
+ MVT::ValueType VT = TLI.getValueType(AI->getType());
+ if (VT == MVT::Vector) {
+ // Insert a VBIT_CONVERT between the FORMAL_ARGUMENT node and its uses.
+ // Or else legalizer will balk.
+ BasicBlock::iterator InsertPt = BB->begin();
+ Value *NewVal = new CastInst(AI, AI->getType(), AI->getName(),
InsertPt);
+ for (Value::use_iterator UI = AI->use_begin(), E = AI->use_end();
+ UI != E; ++UI) {
+ Instruction *User = cast<Instruction>(*UI);
+ if (User != NewVal)
+ User->replaceUsesOfWith(AI, NewVal);
+ }
+ }
// If this argument is live outside of the entry block, insert a copy
from
// whereever we got it to the vreg that other BB's will reference it as.
if (FuncInfo.ValueMap.count(AI)) {
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