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LLVM: fix x86_64 sysv C ABI for extern structs with sub-64 bit integers

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This commit is contained in:
Andrew Kelley 2022-05-04 21:10:03 -07:00
parent 1b432b5576
commit 17fc44dd12
1 changed files with 4 additions and 2 deletions
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6
src/codegen/llvm.zig
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@ -8030,7 +8030,8 @@ fn lowerFnRetTy(dg: *DeclGen, fn_info: Type.Payload.Function.Data) !*const llvm.
}
}
if (classes[0] == .integer and classes[1] == .none) {
return llvm_types_buffer[0];
const abi_size = fn_info.return_type.abiSize(target);
return dg.context.intType(@intCast(c_uint, abi_size * 8));
}
return dg.context.structType(&llvm_types_buffer, llvm_types_index, .False);
},
@ -8124,7 +8125,8 @@ fn lowerFnParamTy(dg: *DeclGen, cc: std.builtin.CallingConvention, ty: Type) !*c
}
}
if (classes[0] == .integer and classes[1] == .none) {
return llvm_types_buffer[0];
const abi_size = ty.abiSize(target);
return dg.context.intType(@intCast(c_uint, abi_size * 8));
}
return dg.context.structType(&llvm_types_buffer, llvm_types_index, .False);
},