diff options
Diffstat (limited to 'llvm/lib/Analysis/ConstantFolding.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ConstantFolding.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp index ac846ce..f12a5dd 100644 --- a/llvm/lib/Analysis/ConstantFolding.cpp +++ b/llvm/lib/Analysis/ConstantFolding.cpp @@ -1548,6 +1548,7 @@ bool llvm::canConstantFoldCallTo(const CallBase *Call, const Function *F) { case Intrinsic::cos: case Intrinsic::pow: case Intrinsic::powi: + case Intrinsic::ldexp: case Intrinsic::fma: case Intrinsic::fmuladd: case Intrinsic::frexp: @@ -2627,6 +2628,11 @@ static Constant *ConstantFoldScalarCall2(StringRef Name, } } else if (auto *Op2C = dyn_cast<ConstantInt>(Operands[1])) { switch (IntrinsicID) { + case Intrinsic::ldexp: { + return ConstantFP::get( + Ty->getContext(), + scalbn(Op1V, Op2C->getSExtValue(), APFloat::rmNearestTiesToEven)); + } case Intrinsic::is_fpclass: { FPClassTest Mask = static_cast<FPClassTest>(Op2C->getZExtValue()); bool Result = |