[llvm-commits] [llvm] r37937 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
Duncan Sands
baldrick at free.fr
Fri Jul 6 02:10:03 PDT 2007
Author: baldrick
Date: Fri Jul 6 04:10:03 2007
New Revision: 37937
URL: http://llvm.org/viewvc/llvm-project?rev=37937&view=rev
Log:
Remove ExtractGlobalVariable - use StripPointerCasts
instead.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=37937&r1=37936&r2=37937&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Jul 6 04:10:03 2007
@@ -2491,27 +2491,10 @@
}
}
-/// ExtractGlobalVariable - If V is a global variable, or a bitcast of one
-/// (possibly constant folded), return it. Otherwise return NULL.
-static GlobalVariable *ExtractGlobalVariable (Value *V) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V))
- return GV;
- else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
- if (CE->getOpcode() == Instruction::BitCast)
- return dyn_cast<GlobalVariable>(CE->getOperand(0));
- else if (CE->getOpcode() == Instruction::GetElementPtr) {
- for (unsigned i = 1, e = CE->getNumOperands(); i != e; ++i)
- if (!CE->getOperand(i)->isNullValue())
- return NULL;
- return dyn_cast<GlobalVariable>(CE->getOperand(0));
- }
- }
- return NULL;
-}
-
-/// ExtractTypeInfo - Extracts the type info from a value.
+/// ExtractTypeInfo - Returns the type info, possibly bitcast, encoded in V.
static GlobalVariable *ExtractTypeInfo (Value *V) {
- GlobalVariable *GV = ExtractGlobalVariable(V);
+ V = IntrinsicInst::StripPointerCasts(V);
+ GlobalVariable *GV = dyn_cast<GlobalVariable>(V);
assert (GV || isa<ConstantPointerNull>(V) &&
"TypeInfo must be a global variable or NULL");
return GV;
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