Avoid CSE of instructions which define physical registers across MBBs unless

[oota-llvm.git] / lib / VMCore / IntrinsicInst.cpp

diff --git a/lib/VMCore/IntrinsicInst.cpp b/lib/VMCore/IntrinsicInst.cpp
index cb9252efdf5881bab570f120c1f9573ca849d159..ac8ec2086b18f58d42d204c4ac23f9faa020840d 100644 (file)
--- a/lib/VMCore/IntrinsicInst.cpp
+++ b/lib/VMCore/IntrinsicInst.cpp
@@ -24,8 +24,7 @@
 #include "llvm/IntrinsicInst.h"
 #include "llvm/Constants.h"
 #include "llvm/GlobalVariable.h"
-#include "llvm/Analysis/ValueTracking.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/Metadata.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -50,14 +49,25 @@ Value *DbgInfoIntrinsic::StripCast(Value *C) {
   return dyn_cast<GlobalVariable>(C);
 }
 
+//===----------------------------------------------------------------------===//
+/// DbgDeclareInst - This represents the llvm.dbg.declare instruction.
+///
+
+Value *DbgDeclareInst::getAddress() const {
+  if (MDNode* MD = cast_or_null<MDNode>(getArgOperand(0)))
+    return MD->getOperand(0);
+  else
+    return NULL;
+}
+
 //===----------------------------------------------------------------------===//
 /// DbgValueInst - This represents the llvm.dbg.value instruction.
 ///
 
 const Value *DbgValueInst::getValue() const {
-  return cast<MDNode>(getOperand(1))->getOperand(0);
+  return cast<MDNode>(getArgOperand(0))->getOperand(0);
 }
 
 Value *DbgValueInst::getValue() {
-  return cast<MDNode>(getOperand(1))->getOperand(0);
+  return cast<MDNode>(getArgOperand(0))->getOperand(0);
 }