Changes in directory llvm/lib/CodeGen:
PHIElimination.cpp updated: 1.39 -> 1.40
VirtRegMap.cpp updated: 1.42 -> 1.43
---
Log message:
Add an assertion, update DefInst even though no one uses it (dangling pointers
don't help anyone)
---
Diffs of the changes: (+5 -0)
PHIElimination.cpp | 4 ++++
VirtRegMap.cpp | 1 +
2 files changed, 5 insertions(+)
Index: llvm/lib/CodeGen/PHIElimination.cpp
diff -u llvm/lib/CodeGen/PHIElimination.cpp:1.39
llvm/lib/CodeGen/PHIElimination.cpp:1.40
--- llvm/lib/CodeGen/PHIElimination.cpp:1.39 Mon Oct 3 02:22:07 2005
+++ llvm/lib/CodeGen/PHIElimination.cpp Wed Jan 4 00:47:48 2006
@@ -145,6 +145,10 @@
LV->addVirtualRegisterDead(DestReg, PHICopy);
LV->removeVirtualRegistersDead(MPhi);
}
+
+ // Realize that the destination register is defined by the PHI copy now,
not
+ // the PHI itself.
+ LV->getVarInfo(DestReg).DefInst = PHICopy;
}
// Adjust the VRegPHIUseCount map to account for the removal of this PHI
Index: llvm/lib/CodeGen/VirtRegMap.cpp
diff -u llvm/lib/CodeGen/VirtRegMap.cpp:1.42
llvm/lib/CodeGen/VirtRegMap.cpp:1.43
--- llvm/lib/CodeGen/VirtRegMap.cpp:1.42 Thu Oct 6 12:19:06 2005
+++ llvm/lib/CodeGen/VirtRegMap.cpp Wed Jan 4 00:47:48 2006
@@ -393,6 +393,7 @@
// Otherwise, reload it and remember that we have it.
PhysReg = VRM.getPhys(VirtReg);
+ assert(PhysReg && "Must map virtreg to physreg!");
const TargetRegisterClass* RC =
MBB.getParent()->getSSARegMap()->getRegClass(VirtReg);
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