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-rw-r--r--llvm/lib/Transforms/Utils/BuildLibCalls.cpp124
1 files changed, 124 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
index beb8886b1ac..bf912b078f6 100644
--- a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -386,6 +386,7 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
case LibFunc_fseek:
case LibFunc_ftell:
case LibFunc_fgetc:
+ case LibFunc_fgetc_unlocked:
case LibFunc_fseeko:
case LibFunc_ftello:
case LibFunc_fileno:
@@ -404,6 +405,7 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
Changed |= setOnlyReadsMemory(F);
return Changed;
case LibFunc_fputc:
+ case LibFunc_fputc_unlocked:
case LibFunc_fstat:
case LibFunc_frexp:
case LibFunc_frexpf:
@@ -413,21 +415,25 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
Changed |= setDoesNotCapture(F, 1);
return Changed;
case LibFunc_fgets:
+ case LibFunc_fgets_unlocked:
Changed |= setDoesNotThrow(F);
Changed |= setDoesNotCapture(F, 2);
return Changed;
case LibFunc_fread:
+ case LibFunc_fread_unlocked:
Changed |= setDoesNotThrow(F);
Changed |= setDoesNotCapture(F, 0);
Changed |= setDoesNotCapture(F, 3);
return Changed;
case LibFunc_fwrite:
+ case LibFunc_fwrite_unlocked:
Changed |= setDoesNotThrow(F);
Changed |= setDoesNotCapture(F, 0);
Changed |= setDoesNotCapture(F, 3);
// FIXME: readonly #1?
return Changed;
case LibFunc_fputs:
+ case LibFunc_fputs_unlocked:
Changed |= setDoesNotThrow(F);
Changed |= setDoesNotCapture(F, 0);
Changed |= setDoesNotCapture(F, 1);
@@ -458,6 +464,7 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
return Changed;
case LibFunc_gets:
case LibFunc_getchar:
+ case LibFunc_getchar_unlocked:
Changed |= setDoesNotThrow(F);
return Changed;
case LibFunc_getitimer:
@@ -496,6 +503,7 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
Changed |= setOnlyReadsMemory(F, 1);
return Changed;
case LibFunc_putc:
+ case LibFunc_putc_unlocked:
Changed |= setDoesNotThrow(F);
Changed |= setDoesNotCapture(F, 1);
return Changed;
@@ -516,6 +524,7 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
Changed |= setOnlyReadsMemory(F, 1);
return Changed;
case LibFunc_putchar:
+ case LibFunc_putchar_unlocked:
Changed |= setDoesNotThrow(F);
return Changed;
case LibFunc_popen:
@@ -997,6 +1006,24 @@ Value *llvm::emitFPutC(Value *Char, Value *File, IRBuilder<> &B,
return CI;
}
+Value *llvm::emitFPutCUnlocked(Value *Char, Value *File, IRBuilder<> &B,
+ const TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc_fputc_unlocked))
+ return nullptr;
+
+ Module *M = B.GetInsertBlock()->getModule();
+ Constant *F = M->getOrInsertFunction("fputc_unlocked", B.getInt32Ty(),
+ B.getInt32Ty(), File->getType());
+ if (File->getType()->isPointerTy())
+ inferLibFuncAttributes(*M->getFunction("fputc_unlocked"), *TLI);
+ Char = B.CreateIntCast(Char, B.getInt32Ty(), /*isSigned*/ true, "chari");
+ CallInst *CI = B.CreateCall(F, {Char, File}, "fputc_unlocked");
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
+ return CI;
+}
+
Value *llvm::emitFPutS(Value *Str, Value *File, IRBuilder<> &B,
const TargetLibraryInfo *TLI) {
if (!TLI->has(LibFunc_fputs))
@@ -1015,6 +1042,24 @@ Value *llvm::emitFPutS(Value *Str, Value *File, IRBuilder<> &B,
return CI;
}
+Value *llvm::emitFPutSUnlocked(Value *Str, Value *File, IRBuilder<> &B,
+ const TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc_fputs_unlocked))
+ return nullptr;
+
+ Module *M = B.GetInsertBlock()->getModule();
+ StringRef FPutsUnlockedName = TLI->getName(LibFunc_fputs_unlocked);
+ Constant *F = M->getOrInsertFunction(FPutsUnlockedName, B.getInt32Ty(),
+ B.getInt8PtrTy(), File->getType());
+ if (File->getType()->isPointerTy())
+ inferLibFuncAttributes(*M->getFunction(FPutsUnlockedName), *TLI);
+ CallInst *CI = B.CreateCall(F, {castToCStr(Str, B), File}, "fputs_unlocked");
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
+ return CI;
+}
+
Value *llvm::emitFWrite(Value *Ptr, Value *Size, Value *File, IRBuilder<> &B,
const DataLayout &DL, const TargetLibraryInfo *TLI) {
if (!TLI->has(LibFunc_fwrite))
@@ -1074,3 +1119,82 @@ Value *llvm::emitCalloc(Value *Num, Value *Size, const AttributeList &Attrs,
return CI;
}
+
+Value *llvm::emitFWriteUnlocked(Value *Ptr, Value *Size, Value *N, Value *File,
+ IRBuilder<> &B, const DataLayout &DL,
+ const TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc_fwrite_unlocked))
+ return nullptr;
+
+ Module *M = B.GetInsertBlock()->getModule();
+ LLVMContext &Context = B.GetInsertBlock()->getContext();
+ StringRef FWriteUnlockedName = TLI->getName(LibFunc_fwrite_unlocked);
+ Constant *F = M->getOrInsertFunction(
+ FWriteUnlockedName, DL.getIntPtrType(Context), B.getInt8PtrTy(),
+ DL.getIntPtrType(Context), DL.getIntPtrType(Context), File->getType());
+
+ if (File->getType()->isPointerTy())
+ inferLibFuncAttributes(*M->getFunction(FWriteUnlockedName), *TLI);
+ CallInst *CI = B.CreateCall(F, {castToCStr(Ptr, B), Size, N, File});
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
+ return CI;
+}
+
+Value *llvm::emitFGetCUnlocked(Value *File, IRBuilder<> &B,
+ const TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc_fgetc_unlocked))
+ return nullptr;
+
+ Module *M = B.GetInsertBlock()->getModule();
+ Constant *F =
+ M->getOrInsertFunction("fgetc_unlocked", B.getInt32Ty(), File->getType());
+ if (File->getType()->isPointerTy())
+ inferLibFuncAttributes(*M->getFunction("fgetc_unlocked"), *TLI);
+ CallInst *CI = B.CreateCall(F, File, "fgetc_unlocked");
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
+ return CI;
+}
+
+Value *llvm::emitFGetSUnlocked(Value *Str, Value *Size, Value *File,
+ IRBuilder<> &B, const TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc_fgets_unlocked))
+ return nullptr;
+
+ Module *M = B.GetInsertBlock()->getModule();
+ Constant *F =
+ M->getOrInsertFunction("fgets_unlocked", B.getInt32Ty(), B.getInt8PtrTy(),
+ B.getInt32Ty(), File->getType());
+ inferLibFuncAttributes(*M->getFunction("fgets_unlocked"), *TLI);
+ CallInst *CI =
+ B.CreateCall(F, {castToCStr(Str, B), Size, File}, "fgets_unlocked");
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
+ return CI;
+}
+
+Value *llvm::emitFReadUnlocked(Value *Ptr, Value *Size, Value *N, Value *File,
+ IRBuilder<> &B, const DataLayout &DL,
+ const TargetLibraryInfo *TLI) {
+ if (!TLI->has(LibFunc_fread_unlocked))
+ return nullptr;
+
+ Module *M = B.GetInsertBlock()->getModule();
+ LLVMContext &Context = B.GetInsertBlock()->getContext();
+ StringRef FReadUnlockedName = TLI->getName(LibFunc_fread_unlocked);
+ Constant *F = M->getOrInsertFunction(
+ FReadUnlockedName, DL.getIntPtrType(Context), B.getInt8PtrTy(),
+ DL.getIntPtrType(Context), DL.getIntPtrType(Context), File->getType());
+
+ if (File->getType()->isPointerTy())
+ inferLibFuncAttributes(*M->getFunction(FReadUnlockedName), *TLI);
+ CallInst *CI = B.CreateCall(F, {castToCStr(Ptr, B), Size, N, File});
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
+ return CI;
+}
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