Changes in directory llvm/lib/Target:
TargetInstrInfo.cpp updated: 1.19 -> 1.20
---
Log message:
Added getTiedToSrcOperand() to check for two-address'ness.
---
Diffs of the changes: (+12 -0)
TargetInstrInfo.cpp | 12 ++++++++++++
1 files changed, 12 insertions(+)
Index: llvm/lib/Target/TargetInstrInfo.cpp
diff -u llvm/lib/Target/TargetInstrInfo.cpp:1.19
llvm/lib/Target/TargetInstrInfo.cpp:1.20
--- llvm/lib/Target/TargetInstrInfo.cpp:1.19 Thu May 11 20:46:26 2006
+++ llvm/lib/Target/TargetInstrInfo.cpp Wed Nov 1 17:00:31 2006
@@ -38,6 +38,18 @@
TargetInstrDescriptors = NULL; // reset global variable
}
+int
+TargetInstrInfo::getTiedToSrcOperand(MachineOpCode Opc, unsigned OpNum) const {
+ for (unsigned i = 0, e = getNumOperands(Opc); i != e; ++i) {
+ if (i == OpNum)
+ continue;
+ int ti = getOperandConstraint(Opc, i, TIED_TO);
+ if (ti == (int)OpNum)
+ return i;
+ }
+ return -1;
+}
+
// commuteInstruction - The default implementation of this method just
exchanges
// operand 1 and 2.
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