Commit 21c9d9ad authored by Amara Emerson's avatar Amara Emerson
Browse files

[GlobalISel][CallLowering] Tighten constantexpr check for callee. 

I'm not sure there's a test case for this, but it's better to be safe.
parent 81554393

llvm/lib/CodeGen/GlobalISel/CallLowering.cpp

+2 −1
Original line number Diff line number Diff line
@@ -56,7 +56,8 @@ bool CallLowering::lowerCall(MachineIRBuilder &MIRBuilder, ImmutableCallSite CS, 
    // Try looking through a bitcast from one function type to another.

    // Commonly happens with calls to objc_msgSend().

    const Value *CalleeV = CS.getCalledValue();

    if (auto *BC = dyn_cast<ConstantExpr>(CalleeV)) {

    auto *BC = dyn_cast<ConstantExpr>(CalleeV);

    if (BC && BC->getOpcode() == Instruction::BitCast) {

      if (const auto *F = dyn_cast<Function>(BC->getOperand(0))) {

        Info.Callee = MachineOperand::CreateGA(F, 0);

      }