Fix a crash on 173.applu by asking for a constant bigger than 32-bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21185 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp
index e137839..3d84865 100644
--- a/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -3742,7 +3742,7 @@
   User::op_iterator IdxEnd = GEPI->op_end();
   const TargetData &TD = TM.getTargetData();
   const Type *Ty = Src->getType();
-  int64_t constValue = 0;
+  int32_t constValue = 0;
   
   // Record the operations to emit the GEP in a vector so that we can emit them
   // after having analyzed the entire instruction.