Changes in directory llvm/lib/CodeGen:
LiveIntervalAnalysis.cpp updated: 1.248 -> 1.249
---
Log message:
Fix an obvious bug. Old code only worked for the entry block.
---
Diffs of the changes: (+4 -3)
LiveIntervalAnalysis.cpp | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
Index: llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
diff -u llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.248
llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.249
--- llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.248 Mon Jun 18 20:48:04 2007
+++ llvm/lib/CodeGen/LiveIntervalAnalysis.cpp Tue Jun 26 20:16:36 2007
@@ -623,10 +623,11 @@
}
exit:
- // Alias of a live-in register might not be used at all.
- if (isAlias && end == 0) {
+ // Live-in register might not be used at all.
+ if (end == MIIdx) {
DOUT << " dead";
- end = getDefIndex(start) + 1;
+ if (isAlias)
+ end = getDefIndex(MIIdx) + 1;
}
assert(start < end && "did not find end of interval?");
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