1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
; Verifies that the restart trigger that is used by legacy coroutine passes
; forces the legacy pass manager to restart IPO pipelines, thereby causing the
; same coroutine to be looked at by CoroSplit pass twice.
; REQUIRES: asserts
; RUN: opt < %s -S -O0 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
; RUN: opt < %s -S -O1 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
; The following tests use the new pass manager, and verify that the coroutine
; passes re-run the CGSCC pipeline.
; RUN: opt < %s -S -passes='default<O0>' -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
; RUN: opt < %s -S -passes='default<O1>' -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s
; CHECK: CoroSplit: Processing coroutine 'f' state: 0
; CHECK-NEXT: CoroSplit: Processing coroutine 'f' state: 1
define void @f() {
%id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null)
%size = call i32 @llvm.coro.size.i32()
%alloc = call i8* @malloc(i32 %size)
%hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc)
call void @print(i32 0)
%s1 = call i8 @llvm.coro.suspend(token none, i1 false)
switch i8 %s1, label %suspend [i8 0, label %resume
i8 1, label %cleanup]
resume:
call void @print(i32 1)
br label %cleanup
cleanup:
%mem = call i8* @llvm.coro.free(token %id, i8* %hdl)
call void @free(i8* %mem)
br label %suspend
suspend:
call i1 @llvm.coro.end(i8* %hdl, i1 0)
ret void
}
declare token @llvm.coro.id(i32, i8*, i8*, i8*)
declare i8* @llvm.coro.begin(token, i8*)
declare i8* @llvm.coro.free(token, i8*)
declare i32 @llvm.coro.size.i32()
declare i8 @llvm.coro.suspend(token, i1)
declare void @llvm.coro.resume(i8*)
declare void @llvm.coro.destroy(i8*)
declare i1 @llvm.coro.end(i8*, i1)
declare noalias i8* @malloc(i32)
declare void @print(i32)
declare void @free(i8*)
|
