[llvm-commits] [llvm] r71175 - /llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp

[Dan Gohman]

Author: djg
Date: Thu May  7 14:43:39 2009
New Revision: 71175

URL: http://llvm.org/viewvc/llvm-project?rev=71175&view=rev
Log:
Perform constant folding on operands of instructions with non-void
types, such as loads and calls.

Modified:
    llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp?rev=71175&r1=71174&r2=71175&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp Thu May  7 14:43:39 2009
@@ -12770,7 +12770,9 @@
       continue;
     }
 
-    if (TD && I->getType()->getTypeID() == Type::VoidTyID) {
+    if (TD &&
+        (I->getType()->getTypeID() == Type::VoidTyID ||
+         I->isTrapping())) {
       // See if we can constant fold its operands.
       for (User::op_iterator i = I->op_begin(), e = I->op_end(); i != e; ++i)
         if (ConstantExpr *CE = dyn_cast<ConstantExpr>(i))