diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 7 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 95 |
2 files changed, 59 insertions, 43 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 635752ab65f..683fac6744f 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -790,15 +790,14 @@ FastISel::SelectInstruction(const Instruction *I) { MachineBasicBlock::iterator SavedInsertPt = FuncInfo.InsertPt; - // As a special case, don't even try to handle calls to builtin library - // functions so that calls to builtin functions get translated to - // instructions when supported by the target. + // As a special case, don't handle calls to builtin library functions that + // may be translated directly to target instructions. if (const CallInst *Call = dyn_cast<CallInst>(I)) { const Function *F = Call->getCalledFunction(); LibFunc::Func Func; if (F && !F->hasLocalLinkage() && F->hasName() && LibInfo->getLibFunc(F->getName(), Func) && - LibInfo->has(Func)) + LibInfo->hasOptimizedCodeGen(Func)) return false; } diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 692c4376894..a6c28587946 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -5541,11 +5541,15 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { // Check for well-known libc/libm calls. If the function is internal, it // can't be a library call. - if (!F->hasLocalLinkage() && F->hasName()) { - StringRef Name = F->getName(); - if ((LibInfo->has(LibFunc::copysign) && Name == "copysign") || - (LibInfo->has(LibFunc::copysignf) && Name == "copysignf") || - (LibInfo->has(LibFunc::copysignl) && Name == "copysignl")) { + LibFunc::Func Func; + if (!F->hasLocalLinkage() && F->hasName() && + LibInfo->getLibFunc(F->getName(), Func) && + LibInfo->hasOptimizedCodeGen(Func)) { + switch (Func) { + default: break; + case LibFunc::copysign: + case LibFunc::copysignf: + case LibFunc::copysignl: if (I.getNumArgOperands() == 2 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType() && @@ -5556,9 +5560,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { LHS.getValueType(), LHS, RHS)); return; } - } else if ((LibInfo->has(LibFunc::fabs) && Name == "fabs") || - (LibInfo->has(LibFunc::fabsf) && Name == "fabsf") || - (LibInfo->has(LibFunc::fabsl) && Name == "fabsl")) { + break; + case LibFunc::fabs: + case LibFunc::fabsf: + case LibFunc::fabsl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType()) { @@ -5567,9 +5572,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::sin) && Name == "sin") || - (LibInfo->has(LibFunc::sinf) && Name == "sinf") || - (LibInfo->has(LibFunc::sinl) && Name == "sinl")) { + break; + case LibFunc::sin: + case LibFunc::sinf: + case LibFunc::sinl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType() && @@ -5579,9 +5585,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::cos) && Name == "cos") || - (LibInfo->has(LibFunc::cosf) && Name == "cosf") || - (LibInfo->has(LibFunc::cosl) && Name == "cosl")) { + break; + case LibFunc::cos: + case LibFunc::cosf: + case LibFunc::cosl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType() && @@ -5591,9 +5598,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::sqrt) && Name == "sqrt") || - (LibInfo->has(LibFunc::sqrtf) && Name == "sqrtf") || - (LibInfo->has(LibFunc::sqrtl) && Name == "sqrtl")) { + break; + case LibFunc::sqrt: + case LibFunc::sqrtf: + case LibFunc::sqrtl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType() && @@ -5603,9 +5611,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::floor) && Name == "floor") || - (LibInfo->has(LibFunc::floorf) && Name == "floorf") || - (LibInfo->has(LibFunc::floorl) && Name == "floorl")) { + break; + case LibFunc::floor: + case LibFunc::floorf: + case LibFunc::floorl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType()) { @@ -5614,9 +5623,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::nearbyint) && Name == "nearbyint") || - (LibInfo->has(LibFunc::nearbyintf) && Name == "nearbyintf") || - (LibInfo->has(LibFunc::nearbyintl) && Name == "nearbyintl")) { + break; + case LibFunc::nearbyint: + case LibFunc::nearbyintf: + case LibFunc::nearbyintl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType()) { @@ -5625,9 +5635,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::ceil) && Name == "ceil") || - (LibInfo->has(LibFunc::ceilf) && Name == "ceilf") || - (LibInfo->has(LibFunc::ceill) && Name == "ceill")) { + break; + case LibFunc::ceil: + case LibFunc::ceilf: + case LibFunc::ceill: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType()) { @@ -5636,9 +5647,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::rint) && Name == "rint") || - (LibInfo->has(LibFunc::rintf) && Name == "rintf") || - (LibInfo->has(LibFunc::rintl) && Name == "rintl")) { + break; + case LibFunc::rint: + case LibFunc::rintf: + case LibFunc::rintl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType()) { @@ -5647,9 +5659,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::trunc) && Name == "trunc") || - (LibInfo->has(LibFunc::truncf) && Name == "truncf") || - (LibInfo->has(LibFunc::truncl) && Name == "truncl")) { + break; + case LibFunc::trunc: + case LibFunc::truncf: + case LibFunc::truncl: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType()) { @@ -5658,9 +5671,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::log2) && Name == "log2") || - (LibInfo->has(LibFunc::log2f) && Name == "log2f") || - (LibInfo->has(LibFunc::log2l) && Name == "log2l")) { + break; + case LibFunc::log2: + case LibFunc::log2f: + case LibFunc::log2l: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType() && @@ -5670,9 +5684,10 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::exp2) && Name == "exp2") || - (LibInfo->has(LibFunc::exp2f) && Name == "exp2f") || - (LibInfo->has(LibFunc::exp2l) && Name == "exp2l")) { + break; + case LibFunc::exp2: + case LibFunc::exp2f: + case LibFunc::exp2l: if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && I.getType() == I.getArgOperand(0)->getType() && @@ -5682,9 +5697,11 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } - } else if ((LibInfo->has(LibFunc::memcmp) && Name == "memcmp")) { + break; + case LibFunc::memcmp: if (visitMemCmpCall(I)) return; + break; } } } |
