[llvm-commits] CVS: llvm/lib/Analysis/BasicAliasAnalysis.cpp
Chris Lattner
lattner at cs.uiuc.edu
Sun Feb 29 20:45:01 PST 2004
Changes in directory llvm/lib/Analysis:
BasicAliasAnalysis.cpp updated: 1.29 -> 1.30
---
Log message:
Expand on my note-to-self
---
Diffs of the changes: (+3 -1)
Index: llvm/lib/Analysis/BasicAliasAnalysis.cpp
diff -u llvm/lib/Analysis/BasicAliasAnalysis.cpp:1.29 llvm/lib/Analysis/BasicAliasAnalysis.cpp:1.30
--- llvm/lib/Analysis/BasicAliasAnalysis.cpp:1.29 Sun Feb 22 00:26:17 2004
+++ llvm/lib/Analysis/BasicAliasAnalysis.cpp Sun Feb 29 20:44:44 2004
@@ -14,7 +14,9 @@
// FIXME: This could be extended for a very simple form of mod/ref information.
// If a pointer is locally allocated (either malloc or alloca) and never passed
// into a call or stored to memory, then we know that calls will not mod/ref the
-// memory. This can be important for tailcallelim.
+// memory. This can be important for tailcallelim, and can support CSE of loads
+// and dead store elimination across calls. This is particularly important for
+// stack allocated arrays.
//
//===----------------------------------------------------------------------===//
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