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| author | Amara Emerson <aemerson@apple.com> | 2020-02-09 10:09:51 -0800 |
|---|---|---|
| committer | Amara Emerson <aemerson@apple.com> | 2020-02-09 22:59:48 -0800 |
| commit | 21c9d9ad43f07c07a127bc6f29f13f62e831ab11 (patch) | |
| tree | ad79b752243bf739ea575f133a7017e8c00e5b4e /llvm/lib | |
| parent | 8155439331ac8f85be54adbd053c100567927d7c (diff) | |
| download | llvm-21c9d9ad43f07c07a127bc6f29f13f62e831ab11.zip llvm-21c9d9ad43f07c07a127bc6f29f13f62e831ab11.tar.gz llvm-21c9d9ad43f07c07a127bc6f29f13f62e831ab11.tar.bz2 | |
[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.
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/CallLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp index 752f26b..65b5880 100644 --- a/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp +++ b/llvm/lib/CodeGen/GlobalISel/CallLowering.cpp @@ -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); } |