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Add support for custom names for library functions in TargetLibraryInfo. Add a custom name for fwrite and fputs on x86-32 OSX. Make SimplifyLibCalls honor the custom

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names for fwrite and fputs.

Fixes <rdar://problem/9815881>.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144876 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-11-17 01:27:36 +00:00
parent d5889d8c7f
commit 9d434dbff3
6 changed files with 134 additions and 21 deletions
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6
include/llvm/Transforms/Utils/BuildLibCalls.h
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@ -20,6 +20,7 @@
namespace llvm {
class Value;
class TargetData;
class TargetLibraryInfo;
/// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*.
Value *CastToCStr(Value *V, IRBuilder<> &B);
@ -86,12 +87,13 @@ namespace llvm {
/// 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);
void EmitFPutS(Value *Str, Value *File, IRBuilder<> &B, const TargetData *TD,
const TargetLibraryInfo *TLI);
/// 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);
const TargetData *TD, const TargetLibraryInfo *TLI);
/// SimplifyFortifiedLibCalls - Helper class for folding checked library
/// calls (e.g. __strcpy_chk) into their unchecked counterparts.