motiejus/zig
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implement @frameSize

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This commit is contained in:
Andrew Kelley
2019-07-25 15:05:55 -04:00
parent 70bced5dcf
commit 538c0cd225
6 changed files with 142 additions and 4 deletions
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13
src/codegen.cpp
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@@ -4914,6 +4914,15 @@ static LLVMValueRef ir_render_coro_resume(CodeGen *g, IrExecutable *executable,
return nullptr;
}
static LLVMValueRef ir_render_frame_size(CodeGen *g, IrExecutable *executable, IrInstructionFrameSizeGen *instruction) {
LLVMValueRef fn_val = ir_llvm_value(g, instruction->fn);
LLVMValueRef frame_ptr = ir_llvm_value(g, instruction->frame_ptr);
LLVMValueRef resume_index_ptr = LLVMBuildStructGEP(g->builder, frame_ptr, coro_resume_index_index, "");
LLVMValueRef one = LLVMConstInt(g->builtin_types.entry_usize->llvm_type, 1, false);
LLVMBuildStore(g->builder, one, resume_index_ptr);
return ZigLLVMBuildCall(g->builder, fn_val, &frame_ptr, 1, LLVMFastCallConv, ZigLLVM_FnInlineAuto, "");
}
static void set_debug_location(CodeGen *g, IrInstruction *instruction) {
AstNode *source_node = instruction->source_node;
Scope *scope = instruction->scope;
@@ -5007,6 +5016,7 @@ static LLVMValueRef ir_render_instruction(CodeGen *g, IrExecutable *executable,
case IrInstructionIdTestErrSrc:
case IrInstructionIdUnionInitNamedField:
case IrInstructionIdFrameType:
case IrInstructionIdFrameSizeSrc:
zig_unreachable();
case IrInstructionIdDeclVarGen:
@@ -5161,6 +5171,8 @@ static LLVMValueRef ir_render_instruction(CodeGen *g, IrExecutable *executable,
return ir_render_suspend_br(g, executable, (IrInstructionSuspendBr *)instruction);
case IrInstructionIdCoroResume:
return ir_render_coro_resume(g, executable, (IrInstructionCoroResume *)instruction);
case IrInstructionIdFrameSizeGen:
return ir_render_frame_size(g, executable, (IrInstructionFrameSizeGen *)instruction);
}
zig_unreachable();
}
@@ -6856,6 +6868,7 @@ static void define_builtin_fns(CodeGen *g) {
create_builtin_fn(g, BuiltinFnIdFrameHandle, "frame", 0);
create_builtin_fn(g, BuiltinFnIdFrameType, "Frame", 1);
create_builtin_fn(g, BuiltinFnIdFrameAddress, "frameAddress", 0);
create_builtin_fn(g, BuiltinFnIdFrameSize, "frameSize", 1);
}
static const char *bool_to_str(bool b) {