commit 6ce7dc2a97260eea5fba414332796464912b9359
author Evan Cheng <evan.cheng@apple.com> Wed Nov 15 20:58:11 2006 +0000
committer Evan Cheng <evan.cheng@apple.com> Wed Nov 15 20:58:11 2006 +0000
tree 52d4ff3a3a1db471710e4957aa0068a4800edef8
parent ddd2a4556a0b4d0e364de7087ccf1475fa23f39f

Properly transfer kill / dead info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31765 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/PowerPC/PPCInstrInfo.cpp

diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index 1eacf4a..d19fc16 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -147,8 +147,18 @@
   // Swap op1/op2
   unsigned Reg1 = MI->getOperand(1).getReg();
   unsigned Reg2 = MI->getOperand(2).getReg();
+  bool Reg1IsKill = MI->getOperand(1).isKill();
+  bool Reg2IsKill = MI->getOperand(2).isKill();
   MI->getOperand(2).setReg(Reg1);
   MI->getOperand(1).setReg(Reg2);
+  if (Reg1IsKill)
+    MI->getOperand(2).setIsKill();
+  else
+    MI->getOperand(2).unsetIsKill();
+  if (Reg2IsKill)
+    MI->getOperand(1).setIsKill();
+  else
+    MI->getOperand(1).unsetIsKill();
   
   // Swap the mask around.
   unsigned MB = MI->getOperand(4).getImmedValue();