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

[Andrew Lenharth]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.514 -> 1.515
---
Log message:

simplify

---
Diffs of the changes:  (+8 -12)

 InstructionCombining.cpp |   20 ++++++++------------
 1 files changed, 8 insertions(+), 12 deletions(-)


Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.514 
llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.515
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.514   Tue Sep 19 
23:44:59 2006
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp Wed Sep 20 10:37:57 2006
@@ -1603,18 +1603,14 @@
       CI = dyn_cast<CastInst>(RHS);
       Other = LHS;
     }
-    if (CI) {
-      const Type *UIntPtrTy = TD->getIntPtrType();
-      const Type *SIntPtrTy = UIntPtrTy->getSignedVersion();
-      if((CI->getType() == UIntPtrTy || CI->getType() == SIntPtrTy) 
-        && isa<PointerType>(CI->getOperand(0)->getType())) {
-       Instruction* I2 = new CastInst(CI->getOperand(0),
-                                    PointerType::get(Type::SByteTy), "ctg", 
&I);
-       WorkList.push_back(I2);
-       I2 = new GetElementPtrInst(I2, Other, "ctg", &I);
-       WorkList.push_back(I2);
-       return new CastInst(I2, CI->getType());
-      }
+    if (CI && CI->getType()->isSized() && 
+        (CI->getType()->getPrimitiveSize() == 
+         TD->getIntPtrType()->getPrimitiveSize()) 
+        && isa<PointerType>(CI->getOperand(0)->getType())) {
+      Value* I2 = InsertCastBefore(CI->getOperand(0),
+                                   PointerType::get(Type::SByteTy), I);
+      I2 = InsertNewInstBefore(new GetElementPtrInst(I2, Other, "ctg2"), I);
+      return new CastInst(I2, CI->getType());
     }
   }
 



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