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Diffstat (limited to 'include/llvm/Transforms/Utils')
-rw-r--r-- | include/llvm/Transforms/Utils/BuildLibCalls.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Utils/BuildLibCalls.h b/include/llvm/Transforms/Utils/BuildLibCalls.h new file mode 100644 index 0000000..03716a8 --- /dev/null +++ b/include/llvm/Transforms/Utils/BuildLibCalls.h @@ -0,0 +1,96 @@ +//===- BuildLibCalls.h - Utility builder for libcalls -----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file exposes an interface to build some C language libcalls for +// optimization passes that need to call the various functions. +// +//===----------------------------------------------------------------------===// + +#ifndef TRANSFORMS_UTILS_BUILDLIBCALLS_H +#define TRANSFORMS_UTILS_BUILDLIBCALLS_H + +#include "llvm/Support/IRBuilder.h" + +namespace llvm { + class Value; + class TargetData; + + /// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*. + Value *CastToCStr(Value *V, IRBuilder<> &B); + + /// EmitStrLen - Emit a call to the strlen function to the builder, for the + /// specified pointer. Ptr is required to be some pointer type, and the + /// return value has 'intptr_t' type. + Value *EmitStrLen(Value *Ptr, IRBuilder<> &B, const TargetData *TD); + + /// EmitStrChr - Emit a call to the strchr function to the builder, for the + /// specified pointer and character. Ptr is required to be some pointer type, + /// and the return value has 'i8*' type. + Value *EmitStrChr(Value *Ptr, char C, IRBuilder<> &B, const TargetData *TD); + + /// EmitStrCpy - Emit a call to the strcpy function to the builder, for the + /// specified pointer arguments. + Value *EmitStrCpy(Value *Dst, Value *Src, IRBuilder<> &B, + const TargetData *TD); + + /// EmitMemCpy - Emit a call to the memcpy function to the builder. This + /// always expects that the size has type 'intptr_t' and Dst/Src are pointers. + Value *EmitMemCpy(Value *Dst, Value *Src, Value *Len, + unsigned Align, IRBuilder<> &B, const TargetData *TD); + + /// EmitMemMove - Emit a call to the memmove function to the builder. This + /// always expects that the size has type 'intptr_t' and Dst/Src are pointers. + Value *EmitMemMove(Value *Dst, Value *Src, Value *Len, + unsigned Align, IRBuilder<> &B, const TargetData *TD); + + /// EmitMemChr - Emit a call to the memchr function. This assumes that Ptr is + /// a pointer, Val is an i32 value, and Len is an 'intptr_t' value. + Value *EmitMemChr(Value *Ptr, Value *Val, Value *Len, IRBuilder<> &B, + const TargetData *TD); + + /// EmitMemCmp - Emit a call to the memcmp function. + Value *EmitMemCmp(Value *Ptr1, Value *Ptr2, Value *Len, IRBuilder<> &B, + const TargetData *TD); + + /// EmitMemSet - Emit a call to the memset function + Value *EmitMemSet(Value *Dst, Value *Val, Value *Len, IRBuilder<> &B, + const TargetData *TD); + + /// EmitUnaryFloatFnCall - Emit a call to the unary function named 'Name' + /// (e.g. 'floor'). This function is known to take a single of type matching + /// 'Op' and returns one value with the same type. If 'Op' is a long double, + /// 'l' is added as the suffix of name, if 'Op' is a float, we add a 'f' + /// suffix. + Value *EmitUnaryFloatFnCall(Value *Op, const char *Name, IRBuilder<> &B, + const AttrListPtr &Attrs); + + /// EmitPutChar - Emit a call to the putchar function. This assumes that Char + /// is an integer. + Value *EmitPutChar(Value *Char, IRBuilder<> &B, const TargetData *TD); + + /// EmitPutS - Emit a call to the puts function. This assumes that Str is + /// some pointer. + void EmitPutS(Value *Str, IRBuilder<> &B, const TargetData *TD); + + /// EmitFPutC - Emit a call to the fputc function. This assumes that Char is + /// an i32, and File is a pointer to FILE. + void EmitFPutC(Value *Char, Value *File, IRBuilder<> &B, + const TargetData *TD); + + /// EmitFPutS - Emit a call to the puts function. Str is required to be a + /// pointer and File is a pointer to FILE. + void EmitFPutS(Value *Str, Value *File, IRBuilder<> &B, const TargetData *TD); + + /// EmitFWrite - Emit a call to the fwrite function. This assumes that Ptr is + /// a pointer, Size is an 'intptr_t', and File is a pointer to FILE. + void EmitFWrite(Value *Ptr, Value *Size, Value *File, IRBuilder<> &B, + const TargetData *TD); +} + +#endif |