Add patterns for the x86 popcnt instruction.

[oota-llvm.git] / lib / Target / X86 / X86.h

diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h
index ba0ee6cedd7142c41e4e39488d0f6bda0f46eb13..27e88505150b4b4cef2bb5d3ee356be296bf7620 100644 (file)
--- a/lib/Target/X86/X86.h
+++ b/lib/Target/X86/X86.h
@@ -21,7 +21,6 @@ namespace llvm {
 
 class FunctionPass;
 class JITCodeEmitter;
-class MCAssembler;
 class MCCodeEmitter;
 class MCContext;
 class MachineCodeEmitter;
@@ -36,16 +35,19 @@ class formatted_raw_ostream;
 FunctionPass *createX86ISelDag(X86TargetMachine &TM,
                                CodeGenOpt::Level OptLevel);
 
+/// createGlobalBaseRegPass - This pass initializes a global base
+/// register for PIC on x86-32.
+FunctionPass* createGlobalBaseRegPass();
+
 /// createX86FloatingPointStackifierPass - This function returns a pass which
 /// converts floating point register references and pseudo instructions into
 /// floating point stack references and physical instructions.
 ///
 FunctionPass *createX86FloatingPointStackifierPass();
 
-/// createX87FPRegKillInserterPass - This function returns a pass which
-/// inserts FP_REG_KILL instructions where needed.
-///
-FunctionPass *createX87FPRegKillInserterPass();
+/// createSSEDomainFixPass - This pass twiddles SSE opcodes to prevent domain
+/// crossings.
+FunctionPass *createSSEDomainFixPass();
 
 /// createX86CodeEmitterPass - Return a pass that emits the collected X86 code
 /// to the specified MCE object.
@@ -57,8 +59,8 @@ MCCodeEmitter *createX86_32MCCodeEmitter(const Target &, TargetMachine &TM,
 MCCodeEmitter *createX86_64MCCodeEmitter(const Target &, TargetMachine &TM,
                                          MCContext &Ctx);
 
-TargetAsmBackend *createX86_32AsmBackend(const Target &, MCAssembler &);
-TargetAsmBackend *createX86_64AsmBackend(const Target &, MCAssembler &);
+TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
+TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
 
 /// createX86EmitCodeToMemory - Returns a pass that converts a register
 /// allocated function into raw machine code in a dynamically
@@ -66,6 +68,12 @@ TargetAsmBackend *createX86_64AsmBackend(const Target &, MCAssembler &);
 ///
 FunctionPass *createEmitX86CodeToMemory();
 
+/// createX86MaxStackAlignmentHeuristicPass - This function returns a pass
+/// which determines whether the frame pointer register should be
+/// reserved in case dynamic stack alignment is later required.
+///
+FunctionPass *createX86MaxStackAlignmentHeuristicPass();
+
 extern Target TheX86_32Target, TheX86_64Target;
 
 } // End llvm namespace