[llvm-commits] CVS: llvm/lib/Analysis/LoadValueNumbering.cpp
Andrew Lenharth
alenhar2 at cs.uiuc.edu
Mon Jun 20 08:02:17 PDT 2005
Changes in directory llvm/lib/Analysis:
LoadValueNumbering.cpp updated: 1.31 -> 1.32
---
Log message:
prevent GCSE from forwarding stores to loads around vaarg. This is uggly, and I am trying to fix the AliasInfo, as it should catch the problem instead.
---
Diffs of the changes: (+4 -0)
LoadValueNumbering.cpp | 4 ++++
1 files changed, 4 insertions(+)
Index: llvm/lib/Analysis/LoadValueNumbering.cpp
diff -u llvm/lib/Analysis/LoadValueNumbering.cpp:1.31 llvm/lib/Analysis/LoadValueNumbering.cpp:1.32
--- llvm/lib/Analysis/LoadValueNumbering.cpp:1.31 Thu Apr 21 16:04:58 2005
+++ llvm/lib/Analysis/LoadValueNumbering.cpp Mon Jun 20 10:02:05 2005
@@ -328,6 +328,10 @@
LoadInvalidatedInBBBefore = true;
break;
}
+ if (dyn_cast<VAArgInst>(I)) {
+ LoadInvalidatedInBBBefore = true;
+ break;
+ }
}
// Figure out if the load is invalidated between the load and the exit of the
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