[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
Chris Lattner
lattner at cs.uiuc.edu
Sat Jan 15 16:38:13 PST 2005
Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.32 -> 1.33
---
Log message:
legalize a bunch of operations that I missed.
---
Diffs of the changes: (+19 -9)
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.32 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.33
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.32 Sat Jan 15 18:17:42 2005
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Sat Jan 15 18:38:00 2005
@@ -751,7 +751,6 @@
case ISD::FP_TO_UINT:
case ISD::SINT_TO_FP:
case ISD::UINT_TO_FP:
-
switch (getTypeAction(Node->getOperand(0).getValueType())) {
case Legal:
Tmp1 = LegalizeOp(Node->getOperand(0));
@@ -776,19 +775,30 @@
case Promote:
switch (Node->getOpcode()) {
- case ISD::ZERO_EXTEND: {
- // Mask out the high bits.
- uint64_t MaskCst =
- 1ULL << (MVT::getSizeInBits(Node->getOperand(0).getValueType()))-1;
- Tmp1 = PromoteOp(Node->getOperand(0));
- Result = DAG.getNode(ISD::AND, Node->getValueType(0), Tmp1,
- DAG.getConstant(MaskCst, Node->getValueType(0)));
+ case ISD::ZERO_EXTEND:
+ Result = PromoteOp(Node->getOperand(0));
+ Result = DAG.getNode(ISD::ZERO_EXTEND_INREG, Result.getValueType(),
+ Result, Node->getOperand(0).getValueType());
break;
- }
case ISD::SIGN_EXTEND:
+ Result = PromoteOp(Node->getOperand(0));
+ Result = DAG.getNode(ISD::SIGN_EXTEND_INREG, Result.getValueType(),
+ Result, Node->getOperand(0).getValueType());
+ break;
case ISD::TRUNCATE:
+ Result = PromoteOp(Node->getOperand(0));
+ Result = DAG.getNode(ISD::TRUNCATE, Op.getValueType(), Result);
+ break;
case ISD::FP_EXTEND:
+ Result = PromoteOp(Node->getOperand(0));
+ if (Result.getValueType() != Op.getValueType())
+ // Dynamically dead while we have only 2 FP types.
+ Result = DAG.getNode(ISD::FP_EXTEND, Op.getValueType(), Result);
+ break;
case ISD::FP_ROUND:
+ Result = PromoteOp(Node->getOperand(0));
+ Result = DAG.getNode(ISD::FP_ROUND, Op.getValueType(), Result);
+ break;
case ISD::FP_TO_SINT:
case ISD::FP_TO_UINT:
case ISD::SINT_TO_FP:
More information about the llvm-commits
mailing list