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BuildLibCalls: Nuke EmitMemCpy, EmitMemMove and EmitMemSet. They are dead and superseded by IRBuilder.

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llvm-svn: 122576
This commit is contained in:
Benjamin Kramer 2010-12-27 00:25:32 +00:00
parent c66455a774
commit 30e1ba0fcc
2 changed files with 5 additions and 63 deletions
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14
include/llvm/Transforms/Utils/BuildLibCalls.h
View File

@ -48,22 +48,12 @@ namespace llvm {
Value *EmitStrNCpy(Value *Dst, Value *Src, Value *Len, IRBuilder<> &B,
const TargetData *TD, StringRef Name = "strncpy");
/// 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,
bool isVolatile, IRBuilder<> &B, const TargetData *TD);
/// EmitMemCpyChk - Emit a call to the __memcpy_chk function to the builder.
/// This expects that the Len and ObjSize have type 'intptr_t' and Dst/Src
/// are pointers.
Value *EmitMemCpyChk(Value *Dst, Value *Src, Value *Len, Value *ObjSize,
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,
bool isVolatile, 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,
@ -73,10 +63,6 @@ namespace llvm {
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, bool isVolatile,
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,

54
lib/Transforms/Utils/BuildLibCalls.cpp
View File

@ -131,21 +131,6 @@ Value *llvm::EmitStrNCpy(Value *Dst, Value *Src, Value *Len,
return CI;
}
/// EmitMemCpy - Emit a call to the memcpy function to the builder. This always
/// expects that Len has type 'intptr_t' and Dst/Src are pointers.
Value *llvm::EmitMemCpy(Value *Dst, Value *Src, Value *Len, unsigned Align,
bool isVolatile, IRBuilder<> &B, const TargetData *TD) {
Module *M = B.GetInsertBlock()->getParent()->getParent();
Dst = CastToCStr(Dst, B);
Src = CastToCStr(Src, B);
const Type *ArgTys[3] = { Dst->getType(), Src->getType(), Len->getType() };
Value *MemCpy = Intrinsic::getDeclaration(M, Intrinsic::memcpy, ArgTys, 3);
return B.CreateCall5(MemCpy, Dst, Src, Len,
ConstantInt::get(B.getInt32Ty(), Align),
ConstantInt::get(B.getInt1Ty(), isVolatile));
}
/// EmitMemCpyChk - Emit a call to the __memcpy_chk function to the builder.
/// This expects that the Len and ObjSize have type 'intptr_t' and Dst/Src
/// are pointers.
@ -170,22 +155,6 @@ Value *llvm::EmitMemCpyChk(Value *Dst, Value *Src, Value *Len, Value *ObjSize,
return CI;
}
/// 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 *llvm::EmitMemMove(Value *Dst, Value *Src, Value *Len, unsigned Align,
bool isVolatile, IRBuilder<> &B, const TargetData *TD) {
Module *M = B.GetInsertBlock()->getParent()->getParent();
LLVMContext &Context = B.GetInsertBlock()->getContext();
const Type *ArgTys[3] = { Dst->getType(), Src->getType(),
TD->getIntPtrType(Context) };
Value *MemMove = Intrinsic::getDeclaration(M, Intrinsic::memmove, ArgTys, 3);
Dst = CastToCStr(Dst, B);
Src = CastToCStr(Src, B);
Value *A = ConstantInt::get(B.getInt32Ty(), Align);
Value *Vol = ConstantInt::get(B.getInt1Ty(), isVolatile);
return B.CreateCall5(MemMove, Dst, Src, Len, A, Vol);
}
/// 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 *llvm::EmitMemChr(Value *Ptr, Value *Val,
@ -233,18 +202,6 @@ Value *llvm::EmitMemCmp(Value *Ptr1, Value *Ptr2,
return CI;
}
/// EmitMemSet - Emit a call to the memset function
Value *llvm::EmitMemSet(Value *Dst, Value *Val, Value *Len, bool isVolatile,
IRBuilder<> &B, const TargetData *TD) {
Module *M = B.GetInsertBlock()->getParent()->getParent();
Intrinsic::ID IID = Intrinsic::memset;
const Type *Tys[2] = { Dst->getType(), Len->getType() };
Value *MemSet = Intrinsic::getDeclaration(M, IID, Tys, 2);
Value *Align = ConstantInt::get(B.getInt32Ty(), 1);
Value *Vol = ConstantInt::get(B.getInt1Ty(), isVolatile);
return B.CreateCall5(MemSet, CastToCStr(Dst, B), Val, Len, Align, Vol);
}
/// 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
@ -422,8 +379,8 @@ bool SimplifyFortifiedLibCalls::fold(CallInst *CI, const TargetData *TD) {
return false;
if (isFoldable(3, 2, false)) {
EmitMemCpy(CI->getArgOperand(0), CI->getArgOperand(1),
CI->getArgOperand(2), 1, false, B, TD);
B.CreateMemCpy(CI->getArgOperand(0), CI->getArgOperand(1),
CI->getArgOperand(2), 1);
replaceCall(CI->getArgOperand(0));
return true;
}
@ -445,8 +402,8 @@ bool SimplifyFortifiedLibCalls::fold(CallInst *CI, const TargetData *TD) {
return false;
if (isFoldable(3, 2, false)) {
EmitMemMove(CI->getArgOperand(0), CI->getArgOperand(1),
CI->getArgOperand(2), 1, false, B, TD);
B.CreateMemMove(CI->getArgOperand(0), CI->getArgOperand(1),
CI->getArgOperand(2), 1);
replaceCall(CI->getArgOperand(0));
return true;
}
@ -465,8 +422,7 @@ bool SimplifyFortifiedLibCalls::fold(CallInst *CI, const TargetData *TD) {
if (isFoldable(3, 2, false)) {
Value *Val = B.CreateIntCast(CI->getArgOperand(1), B.getInt8Ty(),
false);
EmitMemSet(CI->getArgOperand(0), Val, CI->getArgOperand(2),
false, B, TD);
B.CreateMemSet(CI->getArgOperand(0), Val, CI->getArgOperand(2), 1);
replaceCall(CI->getArgOperand(0));
return true;
}