Changes in directory llvm/lib/CodeGen:
RegAllocLocal.cpp updated: 1.86 -> 1.87
---
Log message:
When deleting a machine instruction, make sure to remove it from the
livevariables information. This fixes several regalloc=local failures on x86
---
Diffs of the changes: (+4 -1)
RegAllocLocal.cpp | 5 ++++-
1 files changed, 4 insertions(+), 1 deletion(-)
Index: llvm/lib/CodeGen/RegAllocLocal.cpp
diff -u llvm/lib/CodeGen/RegAllocLocal.cpp:1.86
llvm/lib/CodeGen/RegAllocLocal.cpp:1.87
--- llvm/lib/CodeGen/RegAllocLocal.cpp:1.86 Sun Aug 27 07:54:01 2006
+++ llvm/lib/CodeGen/RegAllocLocal.cpp Sat Sep 2 19:06:08 2006
@@ -659,8 +659,11 @@
// Finally, if this is a noop copy instruction, zap it.
unsigned SrcReg, DstReg;
- if (TII.isMoveInstr(*MI, SrcReg, DstReg) && SrcReg == DstReg)
+ if (TII.isMoveInstr(*MI, SrcReg, DstReg) && SrcReg == DstReg) {
+ LV->removeVirtualRegistersKilled(MI);
+ LV->removeVirtualRegistersDead(MI);
MBB.erase(MI);
+ }
}
MachineBasicBlock::iterator MI = MBB.getFirstTerminator();
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