Author: Aditya Chaudhary Date: 2025-09-15T11:46:56-04:00 New Revision: 9f06b28f87bf170cde4000afac1e3221b0418f28
URL: https://github.com/llvm/llvm-project/commit/9f06b28f87bf170cde4000afac1e3221b0418f28 DIFF: https://github.com/llvm/llvm-project/commit/9f06b28f87bf170cde4000afac1e3221b0418f28.diff LOG: [AIX] Disable -gsplit-dwarf as it is unsupported at the moment on AIX (#158199) **-gsplit-dwarf** flag causes an internal compiler error on AIX. This PR aims to disable the -gsplit-dwarf flag on the AIX platform, as it is unsupported at the moment. Co-authored-by: Aditya Chaudhary <aditya.chaudha...@ibm.com> Added: clang/test/Driver/aix-gsplit-dwarf.c Modified: clang/lib/Driver/ToolChains/Clang.cpp Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 63efb0f02baa8..c9377e23086c5 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -4393,6 +4393,13 @@ renderDebugOptions(const ToolChain &TC, const Driver &D, const llvm::Triple &T, // object file generation and no IR generation, -gN should not be needed. So // allow -gsplit-dwarf with either -gN or IR input. if (IRInput || Args.hasArg(options::OPT_g_Group)) { + // FIXME: -gsplit-dwarf on AIX is currently unimplemented. + if (TC.getTriple().isOSAIX() && Args.hasArg(options::OPT_gsplit_dwarf)) { + D.Diag(diag::err_drv_unsupported_opt_for_target) + << Args.getLastArg(options::OPT_gsplit_dwarf)->getSpelling() + << TC.getTriple().str(); + return; + } Arg *SplitDWARFArg; DwarfFission = getDebugFissionKind(D, Args, SplitDWARFArg); if (DwarfFission != DwarfFissionKind::None && diff --git a/clang/test/Driver/aix-gsplit-dwarf.c b/clang/test/Driver/aix-gsplit-dwarf.c new file mode 100644 index 0000000000000..22f2a66961f36 --- /dev/null +++ b/clang/test/Driver/aix-gsplit-dwarf.c @@ -0,0 +1,12 @@ +// Verify error message is emitted for `-gsplit-dwarf` on AIX +// as it's unsupported at the moment. + +// RUN: not %clang -target powerpc-ibm-aix -gdwarf-4 -gsplit-dwarf %s 2>&1 \ +// RUN: | FileCheck %s --check-prefix=UNSUP_OPT_AIX +// RUN: not %clang -target powerpc64-ibm-aix -gdwarf-4 -gsplit-dwarf %s 2>&1 \ +// RUN: | FileCheck %s --check-prefix=UNSUP_OPT_AIX64 + +// UNSUP_OPT_AIX: error: unsupported option '-gsplit-dwarf' for target 'powerpc-ibm-aix' +// UNSUP_OPT_AIX64: error: unsupported option '-gsplit-dwarf' for target 'powerpc64-ibm-aix' + +int main(){return 0;} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
