#include "llvm/CodeGen/Analysis.h"
#include "llvm/Analysis/ValueTracking.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/DataLayout.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Function.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/DataLayout.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetOptions.h"
using namespace llvm;
/// ComputeLinearIndex - Given an LLVM IR aggregate type and a sequence
/// between it and the return.
///
/// This function only tests target-independent requirements.
-bool llvm::isInTailCallPosition(ImmutableCallSite CS, Attributes CalleeRetAttr,
+bool llvm::isInTailCallPosition(ImmutableCallSite CS, Attribute CalleeRetAttr,
const TargetLowering &TLI) {
const Instruction *I = CS.getInstruction();
const BasicBlock *ExitBB = I->getParent();
// Conservatively require the attributes of the call to match those of
// the return. Ignore noalias because it doesn't affect the call sequence.
const Function *F = ExitBB->getParent();
- Attributes CallerRetAttr = F->getAttributes().getRetAttributes();
- if ((CalleeRetAttr ^ CallerRetAttr) & ~Attribute::NoAlias)
+ Attribute CallerRetAttr = F->getAttributes().getRetAttributes();
+ if (AttrBuilder(CalleeRetAttr).removeAttribute(Attribute::NoAlias) !=
+ AttrBuilder(CallerRetAttr).removeAttribute(Attribute::NoAlias))
return false;
// It's not safe to eliminate the sign / zero extension of the return value.
- if (CallerRetAttr.hasAttribute(Attributes::ZExt) ||
- CallerRetAttr.hasAttribute(Attributes::SExt))
+ if (CallerRetAttr.hasAttribute(Attribute::ZExt) ||
+ CallerRetAttr.hasAttribute(Attribute::SExt))
return false;
// Otherwise, make sure the unmodified return value of I is the return value.
// Conservatively require the attributes of the call to match those of
// the return. Ignore noalias because it doesn't affect the call sequence.
- Attributes CallerRetAttr = F->getAttributes().getRetAttributes();
- if (CallerRetAttr & ~Attribute::NoAlias)
+ Attribute CallerRetAttr = F->getAttributes().getRetAttributes();
+ if (AttrBuilder(CallerRetAttr)
+ .removeAttribute(Attribute::NoAlias).hasAttributes())
return false;
// It's not safe to eliminate the sign / zero extension of the return value.
- if (CallerRetAttr.hasAttribute(Attributes::ZExt) ||
- CallerRetAttr.hasAttribute(Attributes::SExt))
+ if (CallerRetAttr.hasAttribute(Attribute::ZExt) ||
+ CallerRetAttr.hasAttribute(Attribute::SExt))
return false;
// Check if the only use is a function return node.