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| author | Craig Topper <craig.topper@sifive.com> | 2025-02-13 08:08:09 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-02-13 08:08:09 -0800 |
| commit | 8da8ff8768bc0115f21d7d8fe8d47872190f8de1 (patch) | |
| tree | 1bba09ad0b5ff23b0679410e2291c244652d5b36 /flang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 21811818d6c1a50051032fdb2d350ffe89e1421a (diff) | |
| download | llvm-8da8ff8768bc0115f21d7d8fe8d47872190f8de1.zip llvm-8da8ff8768bc0115f21d7d8fe8d47872190f8de1.tar.gz llvm-8da8ff8768bc0115f21d7d8fe8d47872190f8de1.tar.bz2 | |
[flang][RISCV] Add target-abi ModuleFlag. (#126188)
This is needed to generate proper ABI flags in the ELF header for LTO
builds. If these flags aren't set correctly, we can't link with objects
that were built with the correct flags.
For non-LTO builds the mcpu/mattr in the TargetMachine will cause the
backend to infer an ABI. For LTO builds the mcpu/mattr aren't set.
I've only added lp64, lp64f, and lp64d ABIs. ilp32* requires riscv32
which is not yet supported in flang. lp64e requires a different
DataLayout string and would need additional plumbing.
Fixes #115679
Diffstat (limited to 'flang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | flang/lib/Frontend/CompilerInvocation.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/flang/lib/Frontend/CompilerInvocation.cpp b/flang/lib/Frontend/CompilerInvocation.cpp index d4d3971..f3d9432 100644 --- a/flang/lib/Frontend/CompilerInvocation.cpp +++ b/flang/lib/Frontend/CompilerInvocation.cpp @@ -464,6 +464,7 @@ static void parseTargetArgs(TargetOptions &opts, llvm::opt::ArgList &args) { if (const llvm::opt::Arg *a = args.getLastArg(clang::driver::options::OPT_mabi_EQ)) { + opts.abi = a->getValue(); llvm::StringRef V = a->getValue(); if (V == "vec-extabi") { opts.EnableAIXExtendedAltivecABI = true; |