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[Transforms] Add a emitBinaryFloatFnCall() version that fetches the function name from TLI 

Add the counterpart to a similar function for single operands.

Differential revision: https://reviews.llvm.org/D65976

llvm-svn: 368453
This commit is contained in:
Evandro Menezes 2019-08-09 17:06:46 +00:00
parent 04c0862aa1
commit 8a21214174
2 changed files with 42 additions and 9 deletions
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7
llvm/include/llvm/Transforms/Utils/BuildLibCalls.h
View File

@ -163,6 +163,13 @@ namespace llvm {
Value *emitBinaryFloatFnCall(Value *Op1, Value *Op2, StringRef Name,
IRBuilder<> &B, const AttributeList &Attrs);
/// Emit a call to the binary function DoubleFn, FloatFn or LongDoubleFn,
/// depending of the type of Op1.
Value *emitBinaryFloatFnCall(Value *Op1, Value *Op2,
const TargetLibraryInfo *TLI, LibFunc DoubleFn,
LibFunc FloatFn, LibFunc LongDoubleFn,
IRBuilder<> &B, const AttributeList &Attrs);
/// Emit a call to the putchar function. This assumes that Char is an integer.
Value *emitPutChar(Value *Char, IRBuilder<> &B, const TargetLibraryInfo *TLI);

44
llvm/lib/Transforms/Utils/BuildLibCalls.cpp
View File

@ -1050,6 +1050,29 @@ Value *llvm::emitUnaryFloatFnCall(Value *Op, const TargetLibraryInfo *TLI,
return emitUnaryFloatFnCallHelper(Op, Name, B, Attrs);
}
static Value *emitBinaryFloatFnCallHelper(Value *Op1, Value *Op2,
StringRef Name, IRBuilder<> &B,
const AttributeList &Attrs) {
assert((Name != "") && "Must specify Name to emitBinaryFloatFnCall");
Module *M = B.GetInsertBlock()->getModule();
FunctionCallee Callee = M->getOrInsertFunction(Name, Op1->getType(),
Op1->getType(), Op2->getType());
CallInst *CI = B.CreateCall(Callee, { Op1, Op2 }, Name);
// The incoming attribute set may have come from a speculatable intrinsic, but
// is being replaced with a library call which is not allowed to be
// speculatable.
CI->setAttributes(Attrs.removeAttribute(B.getContext(),
AttributeList::FunctionIndex,
Attribute::Speculatable));
if (const Function *F =
dyn_cast<Function>(Callee.getCallee()->stripPointerCasts()))
CI->setCallingConv(F->getCallingConv());
return CI;
}
Value *llvm::emitBinaryFloatFnCall(Value *Op1, Value *Op2, StringRef Name,
IRBuilder<> &B, const AttributeList &Attrs) {
assert((Name != "") && "Must specify Name to emitBinaryFloatFnCall");
@ -1057,16 +1080,19 @@ Value *llvm::emitBinaryFloatFnCall(Value *Op1, Value *Op2, StringRef Name,
SmallString<20> NameBuffer;
appendTypeSuffix(Op1, Name, NameBuffer);
Module *M = B.GetInsertBlock()->getModule();
FunctionCallee Callee = M->getOrInsertFunction(
Name, Op1->getType(), Op1->getType(), Op2->getType());
CallInst *CI = B.CreateCall(Callee, {Op1, Op2}, Name);
CI->setAttributes(Attrs);
if (const Function *F =
dyn_cast<Function>(Callee.getCallee()->stripPointerCasts()))
CI->setCallingConv(F->getCallingConv());
return emitBinaryFloatFnCallHelper(Op1, Op2, Name, B, Attrs);
}
return CI;
Value *llvm::emitBinaryFloatFnCall(Value *Op1, Value *Op2,
const TargetLibraryInfo *TLI,
LibFunc DoubleFn, LibFunc FloatFn,
LibFunc LongDoubleFn, IRBuilder<> &B,
const AttributeList &Attrs) {
// Get the name of the function according to TLI.
StringRef Name = getFloatFnName(TLI, Op1->getType(),
DoubleFn, FloatFn, LongDoubleFn);
return emitBinaryFloatFnCallHelper(Op1, Op2, Name, B, Attrs);
}
Value *llvm::emitPutChar(Value *Char, IRBuilder<> &B,