[llvm-commits] CVS: llvm/lib/CodeGen/RegAllocLocal.cpp
Chris Lattner
lattner at cs.uiuc.edu
Thu Feb 19 12:38:12 PST 2004
Changes in directory llvm/lib/CodeGen:
RegAllocLocal.cpp updated: 1.52 -> 1.53
---
Log message:
Fix problem fusing spill code into instructions: we didn't update the live
variable information to take into account the change of instruction
address.
---
Diffs of the changes: (+3 -0)
Index: llvm/lib/CodeGen/RegAllocLocal.cpp
diff -u llvm/lib/CodeGen/RegAllocLocal.cpp:1.52 llvm/lib/CodeGen/RegAllocLocal.cpp:1.53
--- llvm/lib/CodeGen/RegAllocLocal.cpp:1.52 Thu Feb 19 00:19:09 2004
+++ llvm/lib/CodeGen/RegAllocLocal.cpp Thu Feb 19 12:34:02 2004
@@ -496,6 +496,9 @@
MachineBasicBlock::iterator MII = MI;
if (RegInfo->foldMemoryOperand(MII, OpNum, FrameIndex)) {
++NumFused;
+ // Since we changed the address of MI, make sure to update live variables
+ // to know that the new instruction has the properties of the old one.
+ LV->instructionChanged(MI, MII);
return MII;
}
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