Changes in directory llvm/lib/CodeGen:
LiveIntervalAnalysis.cpp updated: 1.172 -> 1.173
---
Log message:
Fix a compiler crash bootstrapping llvm-gcc.
---
Diffs of the changes: (+6 -2)
LiveIntervalAnalysis.cpp | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
Index: llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
diff -u llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.172
llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.173
--- llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.172 Tue Aug 29 18:18:15 2006
+++ llvm/lib/CodeGen/LiveIntervalAnalysis.cpp Wed Aug 30 18:02:29 2006
@@ -570,7 +570,7 @@
else if (allocatableRegs_[reg]) {
handlePhysicalRegisterDef(MBB, MI, getOrCreateInterval(reg));
for (const unsigned* AS = mri_->getAliasSet(reg); *AS; ++AS)
- handlePhysicalRegisterDef(MBB, MI, getOrCreateInterval(*AS));
+ handlePhysicalRegisterDef(MBB, MI, getOrCreateInterval(*AS), true);
}
}
@@ -684,7 +684,11 @@
if (ValLR+1 != BLR) return false;
DEBUG(std::cerr << "\nExtending: "; IntB.print(std::cerr, mri_));
-
+
+ // We are about to delete CopyMI, so need to remove it as the 'instruction
+ // that defines this value #'.
+ IntB.setInstDefiningValNum(BValNo, ~0U);
+
// Okay, we can merge them. We need to insert a new liverange:
// [ValLR.end, BLR.begin) of either value number, then we merge the
// two value numbers.
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