Changes in directory llvm/lib/CodeGen:
VirtRegMap.cpp updated: 1.101 -> 1.102
---
Log message:
Invalidate last use of a reused register if the use is a deleted noop copy.
---
Diffs of the changes: (+1 -0)
VirtRegMap.cpp | 1 +
1 files changed, 1 insertion(+)
Index: llvm/lib/CodeGen/VirtRegMap.cpp
diff -u llvm/lib/CodeGen/VirtRegMap.cpp:1.101
llvm/lib/CodeGen/VirtRegMap.cpp:1.102
--- llvm/lib/CodeGen/VirtRegMap.cpp:1.101 Wed Feb 28 20:27:30 2007
+++ llvm/lib/CodeGen/VirtRegMap.cpp Thu Mar 1 23:41:42 2007
@@ -937,6 +937,7 @@
DOUT << "Removing now-noop copy: " << MI;
MBB.erase(&MI);
VRM.RemoveFromFoldedVirtMap(&MI);
+ Spills.UpdateLastUse(Src, NULL);
Spills.disallowClobberPhysReg(VirtReg);
goto ProcessNextInst;
}
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