[llvm-commits] CVS: llvm/lib/Transforms/Scalar/LowerInvoke.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

LowerInvoke.cpp updated: 1.29 -> 1.30
---
Log message:

Avoid spilling stack slots... to stack slots.


---
Diffs of the changes:  (+6 -0)

 LowerInvoke.cpp |    6 ++++++
 1 files changed, 6 insertions(+)


Index: llvm/lib/Transforms/Scalar/LowerInvoke.cpp
diff -u llvm/lib/Transforms/Scalar/LowerInvoke.cpp:1.29 llvm/lib/Transforms/Scalar/LowerInvoke.cpp:1.30
--- llvm/lib/Transforms/Scalar/LowerInvoke.cpp:1.29	Tue Sep 27 16:18:17 2005
+++ llvm/lib/Transforms/Scalar/LowerInvoke.cpp	Tue Sep 27 16:33:12 2005
@@ -334,6 +334,12 @@
           cast<Instruction>(Inst->use_back())->getParent() == BB &&
           !isa<PHINode>(Inst->use_back())) continue;
       
+      // If this is an alloca in the entry block, it's not a real register
+      // value.
+      if (AllocaInst *AI = dyn_cast<AllocaInst>(Inst))
+        if (isa<ConstantInt>(AI->getArraySize()) && BB == F->begin())
+          continue;
+      
       // Avoid iterator invalidation by copying users to a temporary vector.
       std::vector<Instruction*> Users;
       for (Value::use_iterator UI = Inst->use_begin(), E = Inst->use_end();