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	AKA: Recompile *ALL* the source code! This one went much better. No manual edits here. I spot-checked for silliness and grep-checked for really broken edits and everything seemed good. It all still compiles. Yell if you see something that looks goofy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			478 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			478 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- llvm/Target/TargetLibraryInfo.h - Library information ---*- C++ -*-===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TARGET_TARGETLIBRARYINFO_H
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#define LLVM_TARGET_TARGETLIBRARYINFO_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/Pass.h"
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namespace llvm {
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  class Triple;
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  namespace LibFunc {
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    enum Func {
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      /// void operator delete[](void*);
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      ZdaPv,
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      /// void operator delete(void*);
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      ZdlPv,
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      /// void *new[](unsigned int);
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      Znaj,
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      /// void *new[](unsigned int, nothrow);
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      ZnajRKSt9nothrow_t,
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      /// void *new[](unsigned long);
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      Znam,
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      /// void *new[](unsigned long, nothrow);
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      ZnamRKSt9nothrow_t,
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      /// void *new(unsigned int);
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      Znwj,
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      /// void *new(unsigned int, nothrow);
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      ZnwjRKSt9nothrow_t,
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      /// void *new(unsigned long);
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      Znwm,
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      /// void *new(unsigned long, nothrow);
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      ZnwmRKSt9nothrow_t,
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      /// int __cxa_atexit(void (*f)(void *), void *p, void *d);
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      cxa_atexit,
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      /// void __cxa_guard_abort(guard_t *guard);
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      /// guard_t is int64_t in Itanium ABI or int32_t on ARM eabi.
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      cxa_guard_abort,      
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      /// int __cxa_guard_acquire(guard_t *guard);
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      cxa_guard_acquire,
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      /// void __cxa_guard_release(guard_t *guard);
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      cxa_guard_release,
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      /// void *__memcpy_chk(void *s1, const void *s2, size_t n, size_t s1size);
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      memcpy_chk,
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      /// int abs(int j);
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      abs,
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      /// double acos(double x);
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      acos,
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      /// float acosf(float x);
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      acosf,
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      /// double acosh(double x);
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      acosh,
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      /// float acoshf(float x);
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      acoshf,
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      /// long double acoshl(long double x);
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      acoshl,
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      /// long double acosl(long double x);
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      acosl,
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      /// double asin(double x);
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      asin,
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      /// float asinf(float x);
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      asinf,
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      /// double asinh(double x);
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      asinh,
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      /// float asinhf(float x);
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      asinhf,
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      /// long double asinhl(long double x);
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      asinhl,
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      /// long double asinl(long double x);
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      asinl,
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      /// double atan(double x);
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      atan,
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      /// double atan2(double y, double x);
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      atan2,
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      /// float atan2f(float y, float x);
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      atan2f,
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      /// long double atan2l(long double y, long double x);
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      atan2l,
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      /// float atanf(float x);
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      atanf,
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      /// double atanh(double x);
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      atanh,
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      /// float atanhf(float x);
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      atanhf,
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      /// long double atanhl(long double x);
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      atanhl,
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      /// long double atanl(long double x);
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      atanl,
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      /// void *calloc(size_t count, size_t size);
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      calloc,
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      /// double cbrt(double x);
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      cbrt,
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      /// float cbrtf(float x);
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      cbrtf,
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      /// long double cbrtl(long double x);
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      cbrtl,
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      /// double ceil(double x);
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      ceil,
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      /// float ceilf(float x);
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      ceilf,
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      /// long double ceill(long double x);
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      ceill,
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      /// double copysign(double x, double y);
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      copysign,
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      /// float copysignf(float x, float y);
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      copysignf,
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      /// long double copysignl(long double x, long double y);
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      copysignl,
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      /// double cos(double x);
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      cos,
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      /// float cosf(float x);
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      cosf,
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      /// double cosh(double x);
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      cosh,
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      /// float coshf(float x);
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      coshf,
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      /// long double coshl(long double x);
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      coshl,
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      /// long double cosl(long double x);
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      cosl,
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      /// double exp(double x);
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      exp,
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      /// double exp10(double x);
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      exp10,
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      /// float exp10f(float x);
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      exp10f,
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      /// long double exp10l(long double x);
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      exp10l,
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      /// double exp2(double x);
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      exp2,
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      /// float exp2f(float x);
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      exp2f,
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      /// long double exp2l(long double x);
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      exp2l,
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      /// float expf(float x);
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      expf,
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      /// long double expl(long double x);
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      expl,
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      /// double expm1(double x);
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      expm1,
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      /// float expm1f(float x);
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      expm1f,
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      /// long double expm1l(long double x);
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      expm1l,
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      /// double fabs(double x);
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      fabs,
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      /// float fabsf(float x);
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      fabsf,
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      /// long double fabsl(long double x);
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      fabsl,
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      /// int ffs(int i);
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      ffs,
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      /// int ffsl(long int i);
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      ffsl,
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      /// int ffsll(long long int i);
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      ffsll,
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      /// int fiprintf(FILE *stream, const char *format, ...);
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      fiprintf,
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      /// double floor(double x);
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      floor,
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      /// float floorf(float x);
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      floorf,
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      /// long double floorl(long double x);
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      floorl,
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      /// double fmod(double x, double y);
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      fmod,
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      /// float fmodf(float x, float y);
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      fmodf,
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      /// long double fmodl(long double x, long double y);
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      fmodl,
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      /// int fprintf(FILE *stream, const char *format, ...);
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      fprintf,
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      /// int fputc(int c, FILE *stream);
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      fputc,
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      /// int fputs(const char *s, FILE *stream);
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      fputs,
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      /// void free(void *ptr);
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      free,
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      /// size_t fwrite(const void *ptr, size_t size, size_t nitems,
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      /// FILE *stream);
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      fwrite,
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      /// int iprintf(const char *format, ...);
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      iprintf,
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      /// int isascii(int c);
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      isascii,
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      /// int isdigit(int c);
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      isdigit,
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      /// long int labs(long int j);
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      labs,
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      /// long long int llabs(long long int j);
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      llabs,
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      /// double log(double x);
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      log,
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      /// double log10(double x);
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      log10,
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      /// float log10f(float x);
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      log10f,
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      /// long double log10l(long double x);
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      log10l,
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      /// double log1p(double x);
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      log1p,
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      /// float log1pf(float x);
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      log1pf,
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      /// long double log1pl(long double x);
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      log1pl,
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      /// double log2(double x);
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      log2,
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      /// float log2f(float x);
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      log2f,
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      /// double long double log2l(long double x);
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      log2l,
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      /// double logb(double x);
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      logb,
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      /// float logbf(float x);
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      logbf,
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      /// long double logbl(long double x);
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      logbl,
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      /// float logf(float x);
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      logf,
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      /// long double logl(long double x);
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      logl,
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      /// void *malloc(size_t size);
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      malloc,
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      /// void *memchr(const void *s, int c, size_t n);
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      memchr,
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      /// int memcmp(const void *s1, const void *s2, size_t n);
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      memcmp,
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      /// void *memcpy(void *s1, const void *s2, size_t n);
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      memcpy,
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      /// void *memmove(void *s1, const void *s2, size_t n);
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      memmove,
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      /// void *memset(void *b, int c, size_t len);
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      memset,
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      /// void memset_pattern16(void *b, const void *pattern16, size_t len);
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      memset_pattern16,
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      /// double nearbyint(double x);
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      nearbyint,
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      /// float nearbyintf(float x);
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      nearbyintf,
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      /// long double nearbyintl(long double x);
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      nearbyintl,
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      /// int posix_memalign(void **memptr, size_t alignment, size_t size);
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      posix_memalign,
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      /// double pow(double x, double y);
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      pow,
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      /// float powf(float x, float y);
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      powf,
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      /// long double powl(long double x, long double y);
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      powl,
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      /// int printf(const char *format, ...);
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      printf,
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      /// int putchar(int c);
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      putchar,
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      /// int puts(const char *s);
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      puts,
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      /// void *realloc(void *ptr, size_t size);
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      realloc,
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      /// void *reallocf(void *ptr, size_t size);
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      reallocf,
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      /// double rint(double x);
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      rint,
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      /// float rintf(float x);
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      rintf,
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      /// long double rintl(long double x);
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      rintl,
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      /// double round(double x);
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      round,
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      /// float roundf(float x);
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      roundf,
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      /// long double roundl(long double x);
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      roundl,
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      /// double sin(double x);
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      sin,
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      /// float sinf(float x);
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      sinf,
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      /// double sinh(double x);
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      sinh,
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      /// float sinhf(float x);
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      sinhf,
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      /// long double sinhl(long double x);
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      sinhl,
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      /// long double sinl(long double x);
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      sinl,
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      /// int siprintf(char *str, const char *format, ...);
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      siprintf,
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      /// int sprintf(char *str, const char *format, ...);
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      sprintf,
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      /// double sqrt(double x);
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      sqrt,
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      /// float sqrtf(float x);
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      sqrtf,
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      /// long double sqrtl(long double x);
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      sqrtl,
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      /// char *stpcpy(char *s1, const char *s2);
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      stpcpy,
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      /// char *strcat(char *s1, const char *s2);
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      strcat,
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      /// char *strchr(const char *s, int c);
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      strchr,
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      /// int strcmp(const char *s1, const char *s2);
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      strcmp,
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      /// char *strcpy(char *s1, const char *s2);
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      strcpy,
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      /// size_t strcspn(const char *s1, const char *s2);
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      strcspn,
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      /// char *strdup(const char *s1);
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      strdup,
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      /// size_t strlen(const char *s);
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      strlen,
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      /// char *strncat(char *s1, const char *s2, size_t n);
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      strncat,
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      /// int strncmp(const char *s1, const char *s2, size_t n);
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      strncmp,
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      /// char *strncpy(char *s1, const char *s2, size_t n);
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      strncpy,
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      /// char *strndup(const char *s1, size_t n);
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      strndup,
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      /// size_t strnlen(const char *s, size_t maxlen);
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      strnlen,
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      /// char *strpbrk(const char *s1, const char *s2);
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      strpbrk,
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      /// char *strrchr(const char *s, int c);
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      strrchr,
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      /// size_t strspn(const char *s1, const char *s2);
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      strspn,
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      /// char *strstr(const char *s1, const char *s2);
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      strstr,
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      /// double strtod(const char *nptr, char **endptr);
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      strtod,
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      /// float strtof(const char *nptr, char **endptr);
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      strtof,
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      /// long int strtol(const char *nptr, char **endptr, int base);
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      strtol,
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      /// long double strtold(const char *nptr, char **endptr);
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      strtold,
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      /// long long int strtoll(const char *nptr, char **endptr, int base);
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      strtoll,
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      /// unsigned long int strtoul(const char *nptr, char **endptr, int base);
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      strtoul,
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      /// unsigned long long int strtoull(const char *nptr, char **endptr,
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      ///                                 int base);
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      strtoull,
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      /// double tan(double x);
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      tan,
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      /// float tanf(float x);
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      tanf,
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      /// double tanh(double x);
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      tanh,
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      /// float tanhf(float x);
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      tanhf,
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      /// long double tanhl(long double x);
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      tanhl,
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      /// long double tanl(long double x);
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      tanl,
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      /// int toascii(int c);
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      toascii,
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      /// double trunc(double x);
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      trunc,
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      /// float truncf(float x);
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      truncf,
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      /// long double truncl(long double x);
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      truncl,
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      /// void *valloc(size_t size);
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      valloc,
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      NumLibFuncs
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    };
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  }
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/// TargetLibraryInfo - This immutable pass captures information about what
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/// library functions are available for the current target, and allows a
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/// frontend to disable optimizations through -fno-builtin etc.
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class TargetLibraryInfo : public ImmutablePass {
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  virtual void anchor();
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  unsigned char AvailableArray[(LibFunc::NumLibFuncs+3)/4];
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  llvm::DenseMap<unsigned, std::string> CustomNames;
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  static const char* StandardNames[LibFunc::NumLibFuncs];
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  enum AvailabilityState {
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    StandardName = 3, // (memset to all ones)
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    CustomName = 1,
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    Unavailable = 0  // (memset to all zeros)
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  };
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  void setState(LibFunc::Func F, AvailabilityState State) {
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    AvailableArray[F/4] &= ~(3 << 2*(F&3));
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    AvailableArray[F/4] |= State << 2*(F&3);
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  }
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  AvailabilityState getState(LibFunc::Func F) const {
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    return static_cast<AvailabilityState>((AvailableArray[F/4] >> 2*(F&3)) & 3);
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  }
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public:
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  static char ID;
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  TargetLibraryInfo();
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  TargetLibraryInfo(const Triple &T);
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  explicit TargetLibraryInfo(const TargetLibraryInfo &TLI);
 | 
						|
  
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  /// getLibFunc - Search for a particular function name.  If it is one of the
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  /// known library functions, return true and set F to the corresponding value.
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  bool getLibFunc(StringRef funcName, LibFunc::Func &F) const;
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  /// has - This function is used by optimizations that want to match on or form
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						|
  /// a given library function.
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						|
  bool has(LibFunc::Func F) const {
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    return getState(F) != Unavailable;
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  }
 | 
						|
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						|
  /// hasOptimizedCodeGen - Return true if the function is both available as
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						|
  /// a builtin and a candidate for optimized code generation.
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						|
  bool hasOptimizedCodeGen(LibFunc::Func F) const {
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						|
    if (getState(F) == Unavailable)
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      return false;
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    switch (F) {
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    default: break;
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						|
    case LibFunc::copysign:  case LibFunc::copysignf:  case LibFunc::copysignl:
 | 
						|
    case LibFunc::fabs:      case LibFunc::fabsf:      case LibFunc::fabsl:
 | 
						|
    case LibFunc::sin:       case LibFunc::sinf:       case LibFunc::sinl:
 | 
						|
    case LibFunc::cos:       case LibFunc::cosf:       case LibFunc::cosl:
 | 
						|
    case LibFunc::sqrt:      case LibFunc::sqrtf:      case LibFunc::sqrtl:
 | 
						|
    case LibFunc::floor:     case LibFunc::floorf:     case LibFunc::floorl:
 | 
						|
    case LibFunc::nearbyint: case LibFunc::nearbyintf: case LibFunc::nearbyintl:
 | 
						|
    case LibFunc::ceil:      case LibFunc::ceilf:      case LibFunc::ceill:
 | 
						|
    case LibFunc::rint:      case LibFunc::rintf:      case LibFunc::rintl:
 | 
						|
    case LibFunc::trunc:     case LibFunc::truncf:     case LibFunc::truncl:
 | 
						|
    case LibFunc::log2:      case LibFunc::log2f:      case LibFunc::log2l:
 | 
						|
    case LibFunc::exp2:      case LibFunc::exp2f:      case LibFunc::exp2l:
 | 
						|
    case LibFunc::memcmp:
 | 
						|
      return true;
 | 
						|
    }
 | 
						|
    return false;
 | 
						|
  }
 | 
						|
 | 
						|
  StringRef getName(LibFunc::Func F) const {
 | 
						|
    AvailabilityState State = getState(F);
 | 
						|
    if (State == Unavailable)
 | 
						|
      return StringRef();
 | 
						|
    if (State == StandardName)
 | 
						|
      return StandardNames[F];
 | 
						|
    assert(State == CustomName);
 | 
						|
    return CustomNames.find(F)->second;
 | 
						|
  }
 | 
						|
 | 
						|
  /// setUnavailable - this can be used by whatever sets up TargetLibraryInfo to
 | 
						|
  /// ban use of specific library functions.
 | 
						|
  void setUnavailable(LibFunc::Func F) {
 | 
						|
    setState(F, Unavailable);
 | 
						|
  }
 | 
						|
 | 
						|
  void setAvailable(LibFunc::Func F) {
 | 
						|
    setState(F, StandardName);
 | 
						|
  }
 | 
						|
 | 
						|
  void setAvailableWithName(LibFunc::Func F, StringRef Name) {
 | 
						|
    if (StandardNames[F] != Name) {
 | 
						|
      setState(F, CustomName);
 | 
						|
      CustomNames[F] = Name;
 | 
						|
      assert(CustomNames.find(F) != CustomNames.end());
 | 
						|
    } else {
 | 
						|
      setState(F, StandardName);
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  /// disableAllFunctions - This disables all builtins, which is used for
 | 
						|
  /// options like -fno-builtin.
 | 
						|
  void disableAllFunctions();
 | 
						|
};
 | 
						|
 | 
						|
} // end namespace llvm
 | 
						|
 | 
						|
#endif
 |