summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Transforms/Utils
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Transforms/Utils')
-rw-r--r--llvm/lib/Transforms/Utils/BuildLibCalls.cpp17
-rw-r--r--llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp21
2 files changed, 17 insertions, 21 deletions
diff --git a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
index 27f110e24f9..a5f8ab8c9a2 100644
--- a/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/BuildLibCalls.cpp
@@ -760,9 +760,8 @@ bool llvm::inferLibFuncAttributes(Function &F, const TargetLibraryInfo &TLI) {
}
}
-bool llvm::hasUnaryFloatFn(const TargetLibraryInfo *TLI, Type *Ty,
- LibFunc DoubleFn, LibFunc FloatFn,
- LibFunc LongDoubleFn) {
+bool llvm::hasFloatFn(const TargetLibraryInfo *TLI, Type *Ty,
+ LibFunc DoubleFn, LibFunc FloatFn, LibFunc LongDoubleFn) {
switch (Ty->getTypeID()) {
case Type::HalfTyID:
return false;
@@ -775,10 +774,10 @@ bool llvm::hasUnaryFloatFn(const TargetLibraryInfo *TLI, Type *Ty,
}
}
-StringRef llvm::getUnaryFloatFn(const TargetLibraryInfo *TLI, Type *Ty,
- LibFunc DoubleFn, LibFunc FloatFn,
- LibFunc LongDoubleFn) {
- assert(hasUnaryFloatFn(TLI, Ty, DoubleFn, FloatFn, LongDoubleFn) &&
+StringRef llvm::getFloatFnName(const TargetLibraryInfo *TLI, Type *Ty,
+ LibFunc DoubleFn, LibFunc FloatFn,
+ LibFunc LongDoubleFn) {
+ assert(hasFloatFn(TLI, Ty, DoubleFn, FloatFn, LongDoubleFn) &&
"Cannot get name for unavailable function!");
switch (Ty->getTypeID()) {
@@ -1045,8 +1044,8 @@ Value *llvm::emitUnaryFloatFnCall(Value *Op, const TargetLibraryInfo *TLI,
LibFunc LongDoubleFn, IRBuilder<> &B,
const AttributeList &Attrs) {
// Get the name of the function according to TLI.
- StringRef Name = getUnaryFloatFn(TLI, Op->getType(),
- DoubleFn, FloatFn, LongDoubleFn);
+ StringRef Name = getFloatFnName(TLI, Op->getType(),
+ DoubleFn, FloatFn, LongDoubleFn);
return emitUnaryFloatFnCallHelper(Op, Name, B, Attrs);
}
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 2d218d6e28d..f64d9b4c0ba 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1319,7 +1319,7 @@ Value *LibCallSimplifier::replacePowWithExp(CallInst *Pow, IRBuilder<> &B) {
return nullptr;
// pow(2.0 ** n, x) -> exp2(n * x)
- if (hasUnaryFloatFn(TLI, Ty, LibFunc_exp2, LibFunc_exp2f, LibFunc_exp2l)) {
+ if (hasFloatFn(TLI, Ty, LibFunc_exp2, LibFunc_exp2f, LibFunc_exp2l)) {
APFloat BaseR = APFloat(1.0);
BaseR.convert(BaseF->getSemantics(), APFloat::rmTowardZero, &Ignored);
BaseR = BaseR / *BaseF;
@@ -1344,7 +1344,7 @@ Value *LibCallSimplifier::replacePowWithExp(CallInst *Pow, IRBuilder<> &B) {
// pow(10.0, x) -> exp10(x)
// TODO: There is no exp10() intrinsic yet, but some day there shall be one.
if (match(Base, m_SpecificFP(10.0)) &&
- hasUnaryFloatFn(TLI, Ty, LibFunc_exp10, LibFunc_exp10f, LibFunc_exp10l))
+ hasFloatFn(TLI, Ty, LibFunc_exp10, LibFunc_exp10f, LibFunc_exp10l))
return emitUnaryFloatFnCall(Expo, TLI, LibFunc_exp10, LibFunc_exp10f,
LibFunc_exp10l, B, Attrs);
@@ -1359,17 +1359,15 @@ Value *LibCallSimplifier::replacePowWithExp(CallInst *Pow, IRBuilder<> &B) {
if (Log) {
Value *FMul = B.CreateFMul(Log, Expo, "mul");
- if (Pow->doesNotAccessMemory()) {
+ if (Pow->doesNotAccessMemory())
return B.CreateCall(Intrinsic::getDeclaration(Mod, Intrinsic::exp2, Ty),
FMul, "exp2");
- } else {
- if (hasUnaryFloatFn(TLI, Ty, LibFunc_exp2, LibFunc_exp2f,
- LibFunc_exp2l))
- return emitUnaryFloatFnCall(FMul, TLI, LibFunc_exp2, LibFunc_exp2f,
- LibFunc_exp2l, B, Attrs);
- }
+ else if (hasFloatFn(TLI, Ty, LibFunc_exp2, LibFunc_exp2f, LibFunc_exp2l))
+ return emitUnaryFloatFnCall(FMul, TLI, LibFunc_exp2, LibFunc_exp2f,
+ LibFunc_exp2l, B, Attrs);
}
}
+
return nullptr;
}
@@ -1384,8 +1382,7 @@ static Value *getSqrtCall(Value *V, AttributeList Attrs, bool NoErrno,
}
// Otherwise, use the libcall for sqrt().
- if (hasUnaryFloatFn(TLI, V->getType(), LibFunc_sqrt, LibFunc_sqrtf,
- LibFunc_sqrtl))
+ if (hasFloatFn(TLI, V->getType(), LibFunc_sqrt, LibFunc_sqrtf, LibFunc_sqrtl))
// TODO: We also should check that the target can in fact lower the sqrt()
// libcall. We currently have no way to ask this question, so we ask if
// the target has a sqrt() libcall, which is not exactly the same.
@@ -1452,7 +1449,7 @@ Value *LibCallSimplifier::optimizePow(CallInst *Pow, IRBuilder<> &B) {
bool Ignored;
// Bail out if simplifying libcalls to pow() is disabled.
- if (!hasUnaryFloatFn(TLI, Ty, LibFunc_pow, LibFunc_powf, LibFunc_powl))
+ if (!hasFloatFn(TLI, Ty, LibFunc_pow, LibFunc_powf, LibFunc_powl))
return nullptr;
// Propagate the math semantics from the call to any created instructions.
OpenPOWER on IntegriCloud