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Expose full llvm intrinsic

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This commit is contained in:
Jakub Konka
2020-06-02 14:08:58 +02:00
committed by Andrew Kelley
parent 73a3bfd1dd
commit 8ffa8ed9a8
6 changed files with 72 additions and 30 deletions
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20
src/codegen.cpp
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@@ -5620,26 +5620,16 @@ static LLVMValueRef ir_render_memcpy(CodeGen *g, IrExecutableGen *executable, Ir
}
static LLVMValueRef ir_render_wasm_memory_size(CodeGen *g, IrExecutableGen *executable, IrInstGenWasmMemorySize *instruction) {
// When Wasm lands multi-memory support, we can relax this to permit the user specify
// memory index to inquire about. For now, we pass in the recommended default of index 0.
//
// More info:
// https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#current-linear-memory-size
// TODO adjust for wasm64
LLVMValueRef zero = LLVMConstNull(g->builtin_types.entry_i32->llvm_type);
LLVMValueRef val = LLVMBuildCall(g->builder, gen_wasm_memory_size(g), &zero, 1, "");
LLVMValueRef param = ir_llvm_value(g, instruction->index);
LLVMValueRef val = LLVMBuildCall(g->builder, gen_wasm_memory_size(g), &param, 1, "");
return val;
}
static LLVMValueRef ir_render_wasm_memory_grow(CodeGen *g, IrExecutableGen *executable, IrInstGenWasmMemoryGrow *instruction) {
// When Wasm lands multi-memory support, we can relax this to permit the user specify
// memory index to inquire about. For now, we pass in the recommended default of index 0.
//
// More info:
// https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#grow-linear-memory-size
// TODO adjust for wasm64
LLVMValueRef params[] = {
LLVMConstNull(g->builtin_types.entry_i32->llvm_type),
ir_llvm_value(g, instruction->index),
ir_llvm_value(g, instruction->delta),
};
LLVMValueRef val = LLVMBuildCall(g->builder, gen_wasm_memory_grow(g), params, 2, "");
@@ -8722,8 +8712,8 @@ static void define_builtin_fns(CodeGen *g) {
create_builtin_fn(g, BuiltinFnIdAs, "as", 2);
create_builtin_fn(g, BuiltinFnIdCall, "call", 3);
create_builtin_fn(g, BuiltinFnIdBitSizeof, "bitSizeOf", 1);
create_builtin_fn(g, BuiltinFnIdWasmMemorySize, "wasmMemorySize", 0);
create_builtin_fn(g, BuiltinFnIdWasmMemoryGrow, "wasmMemoryGrow", 1);
create_builtin_fn(g, BuiltinFnIdWasmMemorySize, "wasmMemorySize", 1);
create_builtin_fn(g, BuiltinFnIdWasmMemoryGrow, "wasmMemoryGrow", 2);
}
static const char *bool_to_str(bool b) {