diff options
Diffstat (limited to 'lib/VMCore/ConstantFold.cpp')
-rw-r--r-- | lib/VMCore/ConstantFold.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index 48d84e5ac5..49bdca2c5e 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -890,6 +890,9 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V, if (isa<ConstantInt>(V)) V = ConstantInt::get(SrcTy->getSignedVersion(), cast<ConstantIntegral>(V)->getSExtValue()); + else if (const ConstantBool *CB = dyn_cast<ConstantBool>(V)) + V = ConstantInt::get(Type::SByteTy, CB->getValue() ? -1 : 0); + break; case Instruction::Trunc: // We just handle trunc directly here. The code below doesn't work for |