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| author | Morten Hauke Solvang <morten.hauke.solvang@gmail.com> | 2023-10-13 21:21:54 +0200 |
|---|---|---|
| committer | Morten Hauke Solvang <morten.hauke.solvang@gmail.com> | 2023-10-13 21:21:54 +0200 |
| commit | fb5bb1cd83df0b41c68ea7a2427a57df1a82e3ca (patch) | |
| tree | 01012531522f863d5a85ad17597d7800a6a1e64b /src | |
| parent | 23c4615f5e4aff1ff85918aa666b35864ab34089 (diff) | |
llvm: specify calling convention on call
Looks like the compiler only was specifying the calling convention on
function declarations, but not on function calls.
But LLVM seems to produce "bad" code when optimizing with level -O2
unless you specify the same calling convention on the call too.
Diffstat (limited to 'src')
| -rw-r--r-- | src/llvm_backend_proc.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp index 7c0fbd0b9..ba920c042 100644 --- a/src/llvm_backend_proc.cpp +++ b/src/llvm_backend_proc.cpp @@ -891,6 +891,9 @@ gb_internal lbValue lb_emit_call_internal(lbProcedure *p, lbValue value, lbValue LLVMValueRef ret = LLVMBuildCall2(p->builder, fnp, fn, args, arg_count, ""); + auto llvm_cc = lb_calling_convention_map[proc_type->Proc.calling_convention]; + LLVMSetInstructionCallConv(ret, llvm_cc); + LLVMAttributeIndex param_offset = LLVMAttributeIndex_FirstArgIndex; if (return_ptr.value != nullptr) { param_offset += 1; |