[PATCH] D131424: Remove the unused/undefined _cmd parameter to objc_direct methods.

[Puyan Lotfi via Phabricator via cfe-commits]

plotfi added a comment.

I tried running the following on some example code and got a stacktrace:

  // RUN: clang -cc1 -no-opaque-pointers -emit-llvm -fobjc-arc -triple 
x86_64-apple-darwin10 -o - %s  -O0
  
  @interface C
  - (int)getInt __attribute__((objc_direct));
  @end
  
  @implementation C
  - (int)getInt __attribute__((objc_direct)) {
  }
  @end
  
  void f() {
    C *c;
    [c getInt];
  }



  7  clang-16                 0x00000001054ee160 
clang::CodeGen::CGFunctionInfo::create(unsigned int, bool, bool, 
clang::FunctionType::ExtInfo const&, 
llvm::ArrayRef<clang::FunctionType::ExtParameterInfo>, 
clang::CanQual<clang::Type>, llvm::ArrayRef<clang::CanQual<clang::Type>>, 
clang::CodeGen::RequiredArgs) (.cold.2) + 0
  8  clang-16                 0x000000010291f50c 
clang::CodeGen::CGFunctionInfo::create(unsigned int, bool, bool, 
clang::FunctionType::ExtInfo const&, 
llvm::ArrayRef<clang::FunctionType::ExtParameterInfo>, 
clang::CanQual<clang::Type>, llvm::ArrayRef<clang::CanQual<clang::Type>>, 
clang::CodeGen::RequiredArgs) + 608
  9  clang-16                 0x000000010291b390 
clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo(clang::CanQual<clang::Type>,
 bool, bool, llvm::ArrayRef<clang::CanQual<clang::Type>>, 
clang::FunctionType::ExtInfo, 
llvm::ArrayRef<clang::FunctionType::ExtParameterInfo>, 
clang::CodeGen::RequiredArgs) + 568
  10 clang-16                 0x000000010291d24c 
clang::CodeGen::CodeGenTypes::arrangeObjCMessageSendSignature(clang::ObjCMethodDecl
 const*, clang::QualType) + 760
  11 clang-16                 0x0000000102a45844 (anonymous 
namespace)::CGObjCCommonMac::GenerateDirectMethod(clang::ObjCMethodDecl const*, 
clang::ObjCContainerDecl const*) + 320
  12 clang-16                 0x0000000102a3e044 (anonymous 
namespace)::CGObjCCommonMac::GenerateMethod(clang::ObjCMethodDecl const*, 
clang::ObjCContainerDecl const*) + 56
  13 clang-16                 0x0000000102a13674 
clang::CodeGen::CodeGenFunction::StartObjCMethod(clang::ObjCMethodDecl const*, 
clang::ObjCContainerDecl const*) + 176
  14 clang-16                 0x0000000102a13b2c 
clang::CodeGen::CodeGenFunction::GenerateObjCMethod(clang::ObjCMethodDecl 
const*) + 68


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131424/new/

https://reviews.llvm.org/D131424

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