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asyncio: merge promise and coro frame allocation

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This commit is contained in:
Li Jie
2024-08-06 14:40:38 +08:00
parent 578bc165c4
commit 7b2747ce0c
4 changed files with 91 additions and 54 deletions
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37
cl/compile_test.go
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@@ -142,22 +142,23 @@ source_filename = "foo"
define ptr @foo.GenInts() presplitcoroutine {
entry:
%promise = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 16)
%id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
%frame.size = call i64 @llvm.coro.size.i64()
%alloc.size = add i64 16, %frame.size
%promise = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 %alloc.size)
%need.dyn.alloc = call i1 @llvm.coro.alloc(token %id)
br i1 %need.dyn.alloc, label %alloc, label %_llgo_5
alloc: ; preds = %entry
%frame.size = call i64 @llvm.coro.size.i64()
%frame = call ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64 %frame.size)
%0 = getelementptr ptr, ptr %promise, i64 16
br label %_llgo_5
clean: ; preds = %_llgo_7, %_llgo_6, %_llgo_5
%0 = call ptr @llvm.coro.free(token %id, ptr %hdl)
%1 = call ptr @llvm.coro.free(token %id, ptr %hdl)
br label %suspend
suspend: ; preds = %_llgo_7, %_llgo_6, %_llgo_5, %clean
%1 = call i1 @llvm.coro.end(ptr %hdl, i1 false, token none)
%2 = call i1 @llvm.coro.end(ptr %hdl, i1 false, token none)
ret ptr %promise
trap: ; preds = %_llgo_7
@@ -165,27 +166,27 @@ trap: ; preds = %_llgo_7
unreachable
_llgo_5: ; preds = %alloc, %entry
%frame1 = phi ptr [ null, %entry ], [ %frame, %alloc ]
%hdl = call ptr @llvm.coro.begin(token %id, ptr %frame1)
%frame = phi ptr [ null, %entry ], [ %0, %alloc ]
%hdl = call ptr @llvm.coro.begin(token %id, ptr %frame)
store ptr %hdl, ptr %promise, align 8
call void @"github.com/goplus/llgo/x/async.(*Promise).setValue[int]"(ptr %promise, i64 1)
%2 = call i8 @llvm.coro.suspend(token %id, i1 false)
switch i8 %2, label %suspend [
%3 = call i8 @llvm.coro.suspend(token %id, i1 false)
switch i8 %3, label %suspend [
i8 0, label %_llgo_6
i8 1, label %clean
]
_llgo_6: ; preds = %_llgo_5
call void @"github.com/goplus/llgo/x/async.(*Promise).setValue[int]"(ptr %promise, i64 2)
%3 = call i8 @llvm.coro.suspend(token %id, i1 false)
switch i8 %3, label %suspend [
%4 = call i8 @llvm.coro.suspend(token %id, i1 false)
switch i8 %4, label %suspend [
i8 0, label %_llgo_7
i8 1, label %clean
]
_llgo_7: ; preds = %_llgo_6
%4 = call i8 @llvm.coro.suspend(token %id, i1 true)
switch i8 %4, label %suspend [
%5 = call i8 @llvm.coro.suspend(token %id, i1 true)
switch i8 %5, label %suspend [
i8 0, label %trap
i8 1, label %clean
]
@@ -204,17 +205,17 @@ _llgo_2: ; preds = %_llgo_1, %_llgo_0
ret void
}
declare ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64)
; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: read)
declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr)
; Function Attrs: nounwind
declare i1 @llvm.coro.alloc(token)
; Function Attrs: nounwind memory(none)
declare i64 @llvm.coro.size.i64()
declare ptr @"github.com/goplus/llgo/internal/runtime.AllocZ"(i64)
; Function Attrs: nounwind
declare i1 @llvm.coro.alloc(token)
; Function Attrs: nounwind
declare ptr @llvm.coro.begin(token, ptr writeonly)