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-rw-r--r--include/llvm/Support/IRBuilder.h47
-rw-r--r--lib/Transforms/Scalar/SimplifyLibCalls.cpp85
2 files changed, 70 insertions, 62 deletions
diff --git a/include/llvm/Support/IRBuilder.h b/include/llvm/Support/IRBuilder.h
index acaf1f4..ed6a3f1 100644
--- a/include/llvm/Support/IRBuilder.h
+++ b/include/llvm/Support/IRBuilder.h
@@ -154,10 +154,8 @@ public:
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
BasicBlock *UnwindDest, InputIterator ArgBegin,
InputIterator ArgEnd, const char *Name = "") {
- return Insert(TransferAttributes(InvokeInst::Create(Callee,
- NormalDest, UnwindDest,
- ArgBegin, ArgEnd),
- Callee), Name);
+ return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest,
+ ArgBegin, ArgEnd), Name);
}
UnwindInst *CreateUnwind() {
@@ -589,61 +587,32 @@ public:
return Insert(PHINode::Create(Ty), Name);
}
- CallInst *TransferAttributes(CallInst *CI, const Value* Callee) const {
- if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(Callee))
- Callee = GA->getAliasedGlobal();
-
- if (const Function *F = dyn_cast<Function>(Callee)) {
- CI->setCallingConv(F->getCallingConv());
- CI->setAttributes(F->getAttributes());
- }
-
- return CI;
- }
-
- InvokeInst *TransferAttributes(InvokeInst *II, const Value* Callee) const {
- if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(Callee))
- Callee = GA->getAliasedGlobal();
-
- if (const Function *F = dyn_cast<Function>(Callee)) {
- II->setCallingConv(F->getCallingConv());
- II->setAttributes(F->getAttributes());
- }
-
- return II;
- }
-
CallInst *CreateCall(Value *Callee, const char *Name = "") {
- return Insert(TransferAttributes(CallInst::Create(Callee), Callee), Name);
+ return Insert(CallInst::Create(Callee), Name);
}
CallInst *CreateCall(Value *Callee, Value *Arg, const char *Name = "") {
- return Insert(TransferAttributes(CallInst::Create(Callee, Arg),
- Callee), Name);
+ return Insert(CallInst::Create(Callee, Arg), Name);
}
CallInst *CreateCall2(Value *Callee, Value *Arg1, Value *Arg2,
const char *Name = "") {
Value *Args[] = { Arg1, Arg2 };
- return Insert(TransferAttributes(CallInst::Create(Callee, Args, Args+2),
- Callee), Name);
+ return Insert(CallInst::Create(Callee, Args, Args+2), Name);
}
CallInst *CreateCall3(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
const char *Name = "") {
Value *Args[] = { Arg1, Arg2, Arg3 };
- return Insert(TransferAttributes(CallInst::Create(Callee, Args, Args+3),
- Callee), Name);
+ return Insert(CallInst::Create(Callee, Args, Args+3), Name);
}
CallInst *CreateCall4(Value *Callee, Value *Arg1, Value *Arg2, Value *Arg3,
Value *Arg4, const char *Name = "") {
Value *Args[] = { Arg1, Arg2, Arg3, Arg4 };
- return Insert(TransferAttributes(CallInst::Create(Callee, Args, Args+4),
- Callee), Name);
+ return Insert(CallInst::Create(Callee, Args, Args+4), Name);
}
template<typename InputIterator>
CallInst *CreateCall(Value *Callee, InputIterator ArgBegin,
InputIterator ArgEnd, const char *Name = "") {
- return Insert(TransferAttributes(CallInst::Create(Callee, ArgBegin, ArgEnd),
- Callee), Name);
+ return Insert(CallInst::Create(Callee, ArgBegin, ArgEnd), Name);
}
Value *CreateSelect(Value *C, Value *True, Value *False,
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 59989c9..7d0c35e 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -135,7 +135,11 @@ Value *LibCallOptimization::EmitStrLen(Value *Ptr, IRBuilder<> &B) {
TD->getIntPtrType(),
PointerType::getUnqual(Type::Int8Ty),
NULL);
- return B.CreateCall(StrLen, CastToCStr(Ptr, B), "strlen");
+ CallInst *CI = B.CreateCall(StrLen, CastToCStr(Ptr, B), "strlen");
+ if (const Function *F = dyn_cast<Function>(StrLen->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
+
+ return CI;
}
/// EmitMemCpy - Emit a call to the memcpy function to the builder. This always
@@ -164,7 +168,12 @@ Value *LibCallOptimization::EmitMemChr(Value *Ptr, Value *Val,
PointerType::getUnqual(Type::Int8Ty),
Type::Int32Ty, TD->getIntPtrType(),
NULL);
- return B.CreateCall3(MemChr, CastToCStr(Ptr, B), Val, Len, "memchr");
+ CallInst *CI = B.CreateCall3(MemChr, CastToCStr(Ptr, B), Val, Len, "memchr");
+
+ if (const Function *F = dyn_cast<Function>(MemChr->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
+
+ return CI;
}
/// EmitMemCmp - Emit a call to the memcmp function.
@@ -182,8 +191,13 @@ Value *LibCallOptimization::EmitMemCmp(Value *Ptr1, Value *Ptr2,
PointerType::getUnqual(Type::Int8Ty),
PointerType::getUnqual(Type::Int8Ty),
TD->getIntPtrType(), NULL);
- return B.CreateCall3(MemCmp, CastToCStr(Ptr1, B), CastToCStr(Ptr2, B),
- Len, "memcmp");
+ CallInst *CI = B.CreateCall3(MemCmp, CastToCStr(Ptr1, B), CastToCStr(Ptr2, B),
+ Len, "memcmp");
+
+ if (const Function *F = dyn_cast<Function>(MemCmp->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
+
+ return CI;
}
/// EmitMemSet - Emit a call to the memset function
@@ -217,20 +231,30 @@ Value *LibCallOptimization::EmitUnaryFloatFnCall(Value *Op, const char *Name,
NameBuffer[NameLen+1] = 0;
Name = NameBuffer;
}
-
+
Module *M = Caller->getParent();
- Value *Callee = M->getOrInsertFunction(Name, Op->getType(),
+ Value *Callee = M->getOrInsertFunction(Name, Op->getType(),
Op->getType(), NULL);
- return B.CreateCall(Callee, Op, Name);
+ CallInst *CI = B.CreateCall(Callee, Op, Name);
+
+ if (const Function *F = dyn_cast<Function>(Callee->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
+
+ return CI;
}
/// EmitPutChar - Emit a call to the putchar function. This assumes that Char
/// is an integer.
void LibCallOptimization::EmitPutChar(Value *Char, IRBuilder<> &B) {
Module *M = Caller->getParent();
- Value *F = M->getOrInsertFunction("putchar", Type::Int32Ty,
- Type::Int32Ty, NULL);
- B.CreateCall(F, B.CreateIntCast(Char, Type::Int32Ty, "chari"), "putchar");
+ Value *PutChar = M->getOrInsertFunction("putchar", Type::Int32Ty,
+ Type::Int32Ty, NULL);
+ CallInst *CI = B.CreateCall(PutChar,
+ B.CreateIntCast(Char, Type::Int32Ty, "chari"),
+ "putchar");
+
+ if (const Function *F = dyn_cast<Function>(PutChar->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
}
/// EmitPutS - Emit a call to the puts function. This assumes that Str is
@@ -241,10 +265,14 @@ void LibCallOptimization::EmitPutS(Value *Str, IRBuilder<> &B) {
AWI[0] = AttributeWithIndex::get(1, Attribute::NoCapture);
AWI[1] = AttributeWithIndex::get(~0u, Attribute::NoUnwind);
- Value *F = M->getOrInsertFunction("puts", AttrListPtr::get(AWI, 2),
- Type::Int32Ty,
- PointerType::getUnqual(Type::Int8Ty), NULL);
- B.CreateCall(F, CastToCStr(Str, B), "puts");
+ Value *PutS = M->getOrInsertFunction("puts", AttrListPtr::get(AWI, 2),
+ Type::Int32Ty,
+ PointerType::getUnqual(Type::Int8Ty),
+ NULL);
+ CallInst *CI = B.CreateCall(PutS, CastToCStr(Str, B), "puts");
+ if (const Function *F = dyn_cast<Function>(PutS->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
+
}
/// EmitFPutC - Emit a call to the fputc function. This assumes that Char is
@@ -258,12 +286,14 @@ void LibCallOptimization::EmitFPutC(Value *Char, Value *File, IRBuilder<> &B) {
if (isa<PointerType>(File->getType()))
F = M->getOrInsertFunction("fputc", AttrListPtr::get(AWI, 2), Type::Int32Ty,
Type::Int32Ty, File->getType(), NULL);
-
else
F = M->getOrInsertFunction("fputc", Type::Int32Ty, Type::Int32Ty,
File->getType(), NULL);
Char = B.CreateIntCast(Char, Type::Int32Ty, "chari");
- B.CreateCall2(F, Char, File, "fputc");
+ CallInst *CI = B.CreateCall2(F, Char, File, "fputc");
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
}
/// EmitFPutS - Emit a call to the puts function. Str is required to be a
@@ -283,7 +313,10 @@ void LibCallOptimization::EmitFPutS(Value *Str, Value *File, IRBuilder<> &B) {
F = M->getOrInsertFunction("fputs", Type::Int32Ty,
PointerType::getUnqual(Type::Int8Ty),
File->getType(), NULL);
- B.CreateCall2(F, CastToCStr(Str, B), File, "fputs");
+ CallInst *CI = B.CreateCall2(F, CastToCStr(Str, B), File, "fputs");
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
}
/// EmitFWrite - Emit a call to the fwrite function. This assumes that Ptr is
@@ -307,8 +340,11 @@ void LibCallOptimization::EmitFWrite(Value *Ptr, Value *Size, Value *File,
PointerType::getUnqual(Type::Int8Ty),
TD->getIntPtrType(), TD->getIntPtrType(),
File->getType(), NULL);
- B.CreateCall4(F, CastToCStr(Ptr, B), Size,
- ConstantInt::get(TD->getIntPtrType(), 1), File);
+ CallInst *CI = B.CreateCall4(F, CastToCStr(Ptr, B), Size,
+ ConstantInt::get(TD->getIntPtrType(), 1), File);
+
+ if (const Function *Fn = dyn_cast<Function>(F->stripPointerCasts()))
+ CI->setCallingConv(Fn->getCallingConv());
}
//===----------------------------------------------------------------------===//
@@ -1039,7 +1075,7 @@ struct VISIBILITY_HIDDEN Exp2Opt : public LibCallOptimization {
if (OpC->getOperand(0)->getType()->getPrimitiveSizeInBits() < 32)
LdExpArg = B.CreateZExt(OpC->getOperand(0), Type::Int32Ty, "tmp");
}
-
+
if (LdExpArg) {
const char *Name;
if (Op->getType() == Type::FloatTy)
@@ -1056,12 +1092,15 @@ struct VISIBILITY_HIDDEN Exp2Opt : public LibCallOptimization {
Module *M = Caller->getParent();
Value *Callee = M->getOrInsertFunction(Name, Op->getType(),
Op->getType(), Type::Int32Ty,NULL);
- return B.CreateCall2(Callee, One, LdExpArg);
+ CallInst *CI = B.CreateCall2(Callee, One, LdExpArg);
+ if (const Function *F = dyn_cast<Function>(Callee->stripPointerCasts()))
+ CI->setCallingConv(F->getCallingConv());
+
+ return CI;
}
return 0;
}
};
-
//===---------------------------------------===//
// Double -> Float Shrinking Optimizations for Unary Functions like 'floor'
@@ -1072,7 +1111,7 @@ struct VISIBILITY_HIDDEN UnaryDoubleFPOpt : public LibCallOptimization {
if (FT->getNumParams() != 1 || FT->getReturnType() != Type::DoubleTy ||
FT->getParamType(0) != Type::DoubleTy)
return 0;
-
+
// If this is something like 'floor((double)floatval)', convert to floorf.
FPExtInst *Cast = dyn_cast<FPExtInst>(CI->getOperand(1));
if (Cast == 0 || Cast->getOperand(0)->getType() != Type::FloatTy)
generated by cgit v1.1 at 2024-07-30 19:57:51 +0000