motiejus/zig
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add C ABI test for big unions

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This commit is contained in:
Andrew Kelley
2018-09-07 13:51:11 -04:00
parent 421ca1523f
commit 743b2e4afc
3 changed files with 92 additions and 5 deletions
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4
src/codegen.cpp
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@@ -1838,6 +1838,7 @@ static LLVMValueRef gen_assign_raw(CodeGen *g, LLVMValueRef ptr, ZigType *ptr_ty
}
static void gen_var_debug_decl(CodeGen *g, ZigVar *var) {
assert(var->di_loc_var != nullptr);
AstNode *source_node = var->decl_node;
ZigLLVMDILocation *debug_loc = ZigLLVMGetDebugLoc((unsigned)source_node->line + 1,
(unsigned)source_node->column + 1, get_di_scope(g, var->parent_scope));
@@ -2119,11 +2120,12 @@ static bool iter_function_params_c_abi(CodeGen *g, ZigType *fn_type, FnWalk *fn_
di_arg_index = fn_walk->data.vars.gen_i;
var->value_ref = build_alloca(g, ty, buf_ptr(&var->name), var->align_bytes);
fn_walk->data.vars.gen_i += 1;
dest_ty = ty;
goto var_ok;
}
case FnWalkIdInits: {
clear_debug_source_node(g);
LLVMValueRef arg = LLVMGetParam(llvm_fn, fn_walk->data.inits.gen_i += 1);
LLVMValueRef arg = LLVMGetParam(llvm_fn, fn_walk->data.inits.gen_i);
LLVMTypeRef ptr_to_int_type_ref = LLVMPointerType(LLVMIntType((unsigned)ty_size * 8), 0);
LLVMValueRef bitcasted = LLVMBuildBitCast(g->builder, var->value_ref, ptr_to_int_type_ref, "");
gen_store_untyped(g, arg, bitcasted, var->align_bytes, false);