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clean up the bitcasting of awaiter fn ptr

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This commit is contained in:
Andrew Kelley 2019-08-07 10:56:19 -04:00
parent 7e1fcb55b3
commit f587fa1cd7
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2 changed files with 1 additions and 7 deletions
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1
BRANCH_TODO
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@ -1,4 +1,3 @@
* clean up the bitcasting of awaiter fn ptr
* compile error for error: expected anyframe->T, found 'anyframe'
* compile error for error: expected anyframe->T, found 'i32'
* await of a non async function

7
src/codegen.cpp
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@ -2213,12 +2213,7 @@ static LLVMValueRef gen_resume(CodeGen *g, LLVMValueRef fn_val, LLVMValueRef tar
LLVMTypeRef usize_type_ref = g->builtin_types.entry_usize->llvm_type;
if (fn_val == nullptr) {
LLVMValueRef fn_ptr_ptr = LLVMBuildStructGEP(g->builder, target_frame_ptr, coro_fn_ptr_index, "");
LLVMValueRef fn_val_typed = LLVMBuildLoad(g->builder, fn_ptr_ptr, "");
LLVMValueRef as_int = LLVMBuildPtrToInt(g->builder, fn_val_typed, usize_type_ref, "");
LLVMValueRef one = LLVMConstInt(usize_type_ref, 1, false);
LLVMValueRef mask_val = LLVMConstNot(one);
LLVMValueRef as_int_masked = LLVMBuildAnd(g->builder, as_int, mask_val, "");
fn_val = LLVMBuildIntToPtr(g->builder, as_int_masked, LLVMTypeOf(fn_val_typed), "");
fn_val = LLVMBuildLoad(g->builder, fn_ptr_ptr, "");
}
if (arg_val == nullptr) {
arg_val = LLVMBuildSub(g->builder, LLVMConstAllOnes(usize_type_ref),