Changes in directory llvm/lib/CodeGen:
PHIElimination.cpp updated: 1.54 -> 1.55
TwoAddressInstructionPass.cpp updated: 1.45 -> 1.46
---
Log message:
Keep UsedBlocks info accurate.
---
Diffs of the changes: (+6 -0)
PHIElimination.cpp | 3 +++
TwoAddressInstructionPass.cpp | 3 +++
2 files changed, 6 insertions(+)
Index: llvm/lib/CodeGen/PHIElimination.cpp
diff -u llvm/lib/CodeGen/PHIElimination.cpp:1.54
llvm/lib/CodeGen/PHIElimination.cpp:1.55
--- llvm/lib/CodeGen/PHIElimination.cpp:1.54 Wed Jan 31 23:31:50 2007
+++ llvm/lib/CodeGen/PHIElimination.cpp Sun Mar 18 04:02:31 2007
@@ -160,6 +160,8 @@
// Realize that the destination register is defined by the PHI copy now,
not
// the PHI itself.
LV->getVarInfo(DestReg).DefInst = PHICopy;
+
+ LV->getVarInfo(IncomingReg).UsedBlocks[MBB.getNumber()] = true;
}
// Adjust the VRegPHIUseCount map to account for the removal of this PHI
@@ -210,6 +212,7 @@
// instruction kills the incoming value.
//
LiveVariables::VarInfo &InRegVI = LV->getVarInfo(SrcReg);
+ InRegVI.UsedBlocks[opBlock.getNumber()] = true;
// Loop over all of the successors of the basic block, checking to see
// if the value is either live in the block, or if it is killed in the
Index: llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
diff -u llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:1.45
llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:1.46
--- llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:1.45 Tue Dec 19 16:41:21 2006
+++ llvm/lib/CodeGen/TwoAddressInstructionPass.cpp Sun Mar 18 04:02:31 2007
@@ -198,6 +198,9 @@
varInfo.DefInst = prevMi;
// update live variables for regB
+ LiveVariables::VarInfo& varInfoB = LV.getVarInfo(regB);
+ // regB is used in this BB.
+ varInfoB.UsedBlocks[mbbi->getNumber()] = true;
if (LV.removeVirtualRegisterKilled(regB, mbbi, mi))
LV.addVirtualRegisterKilled(regB, prevMi);
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