diff options
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
| -rw-r--r-- | lib/Analysis/ConstantFolding.cpp | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index 915a7cb734..3321115c53 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -35,15 +35,26 @@ llvm::canConstantFoldCallTo(Function *F) { const std::string &Name = F->getName(); switch (F->getIntrinsicID()) { - case Intrinsic::isunordered: - case Intrinsic::sqrt: + case Intrinsic::isunordered_f32: + case Intrinsic::isunordered_f64: + case Intrinsic::sqrt_f32: + case Intrinsic::sqrt_f64: case Intrinsic::bswap_i16: case Intrinsic::bswap_i32: case Intrinsic::bswap_i64: // FIXME: these should be constant folded as well - //case Intrinsic::ctpop: - //case Intrinsic::ctlz: - //case Intrinsic::cttz: + //case Intrinsic::ctpop_i8: + //case Intrinsic::ctpop_i16: + //case Intrinsic::ctpop_i32: + //case Intrinsic::ctpop_i64: + //case Intrinsic::ctlz_i8: + //case Intrinsic::ctlz_i16: + //case Intrinsic::ctlz_i32: + //case Intrinsic::ctlz_i64: + //case Intrinsic::cttz_i8: + //case Intrinsic::cttz_i16: + //case Intrinsic::cttz_i32: + //case Intrinsic::cttz_i64: return true; default: break; } @@ -125,7 +136,7 @@ llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) { return ConstantFP::get(Ty, log(V)); else if (Name == "log10" && V > 0) return ConstantFoldFP(log10, V, Ty); - else if (Name == "llvm.sqrt") { + else if (Name == "llvm.sqrt.f32" || Name == "llvm.sqrt.f64") { if (V >= -0.0) return ConstantFP::get(Ty, sqrt(V)); else // Undefined @@ -164,7 +175,7 @@ llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) { if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) { double Op2V = Op2->getValue(); - if (Name == "llvm.isunordered") + if (Name == "llvm.isunordered.f32" || Name == "llvm.isunordered.f64") return ConstantBool::get(IsNAN(Op1V) || IsNAN(Op2V)); else if (Name == "pow") { |