#ifndef LLVM_CODEGEN_ANALYSIS_H
#define LLVM_CODEGEN_ANALYSIS_H
-#include "llvm/Instructions.h"
-#include "llvm/InlineAsm.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGen/ISDOpcodes.h"
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/Instructions.h"
#include "llvm/Support/CallSite.h"
namespace llvm {
class GlobalVariable;
class TargetLowering;
+class TargetLoweringBase;
class SDNode;
+class SDValue;
class SelectionDAG;
/// ComputeLinearIndex - Given an LLVM IR aggregate type and a sequence
///
ISD::CondCode getFCmpCondCode(FCmpInst::Predicate Pred);
+/// getFCmpCodeWithoutNaN - Given an ISD condition code comparing floats,
+/// return the equivalent code if we're allowed to assume that NaNs won't occur.
+ISD::CondCode getFCmpCodeWithoutNaN(ISD::CondCode CC);
+
/// getICmpCondCode - Return the ISD condition code corresponding to
/// the given LLVM IR integer condition code.
///
/// between it and the return.
///
/// This function only tests target-independent requirements.
-bool isInTailCallPosition(ImmutableCallSite CS, Attributes CalleeRetAttr,
- const TargetLowering &TLI);
+bool isInTailCallPosition(ImmutableCallSite CS, const TargetLowering &TLI);
-bool isInTailCallPosition(SelectionDAG &DAG, SDNode *Node,
- const TargetLowering &TLI);
+/// Test if given that the input instruction is in the tail call position if the
+/// return type or any attributes of the function will inhibit tail call
+/// optimization.
+bool returnTypeIsEligibleForTailCall(const Function *F,
+ const Instruction *I,
+ const ReturnInst *Ret,
+ const TargetLoweringBase &TLI);
} // End llvm namespace