xref: /llvm-project/llvm/test/Transforms/Coroutines/coro-retcon-once-value2.ll (revision 51d5d7bbae92493a5bfa7cc6b519de8a5bb32fdb)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
2; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse,coro-cleanup' -S | FileCheck %s
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-apple-macosx10.12.0"
5
6define {ptr, ptr} @f(ptr %buffer, ptr %ptr) presplitcoroutine {
7entry:
8  %temp = alloca i32, align 4
9  %id = call token @llvm.coro.id.retcon.once(i32 8, i32 8, ptr %buffer, ptr @prototype, ptr @allocate, ptr @deallocate)
10  %hdl = call ptr @llvm.coro.begin(token %id, ptr null)
11  %oldvalue = load i32, ptr %ptr
12  store i32 %oldvalue, ptr %temp
13  %unwind = call i1 (...) @llvm.coro.suspend.retcon.i1(ptr %temp)
14  br i1 %unwind, label %cleanup, label %cont
15
16cont:
17  %newvalue = load i32, ptr %temp
18  store i32 %newvalue, ptr %ptr
19  br label %cleanup
20
21cleanup:
22  call i1 @llvm.coro.end(ptr %hdl, i1 0, token none)
23  unreachable
24}
25
26
27define {ptr, ptr} @g(ptr %buffer, ptr %ptr, i8 %val) presplitcoroutine {
28entry:
29  %temp = alloca i32, align 4
30  %id = call token @llvm.coro.id.retcon.once(i32 8, i32 8, ptr %buffer, ptr @prototype2, ptr @allocate, ptr @deallocate)
31  %hdl = call ptr @llvm.coro.begin(token %id, ptr null)
32  %oldvalue = load i32, ptr %ptr
33  store i32 %oldvalue, ptr %temp
34  %unwind = call i1 (...) @llvm.coro.suspend.retcon.i1(ptr %temp)
35  br i1 %unwind, label %cleanup, label %cont
36
37cont:
38  %newvalue = load i32, ptr %temp
39  store i32 %newvalue, ptr %ptr
40  br label %cleanup
41
42cleanup:
43  %tok = call token (...) @llvm.coro.end.results(i8 %val)
44  call i1 @llvm.coro.end(ptr %hdl, i1 0, token %tok)
45  unreachable
46}
47
48
49define {ptr, ptr} @h(ptr %buffer, ptr %ptr) presplitcoroutine {
50entry:
51  %temp = alloca i32, align 4
52  %id = call token @llvm.coro.id.retcon.once(i32 8, i32 8, ptr %buffer, ptr @prototype3, ptr @allocate, ptr @deallocate)
53  %hdl = call ptr @llvm.coro.begin(token %id, ptr null)
54  %oldvalue = load i32, ptr %ptr
55  store i32 %oldvalue, ptr %temp
56  %unwind = call i1 (...) @llvm.coro.suspend.retcon.i1(ptr %temp)
57  br i1 %unwind, label %cleanup, label %cont
58
59cont:
60  %newvalue = load i32, ptr %temp
61  store i32 %newvalue, ptr %ptr
62  br label %cleanup
63
64cleanup:
65  %tok = call token (...) @llvm.coro.end.results(ptr null, i32 123, ptr @deallocate)
66  call i1 @llvm.coro.end(ptr %hdl, i1 0, token %tok)
67  unreachable
68}
69
70
71declare token @llvm.coro.id.retcon.once(i32, i32, ptr, ptr, ptr, ptr)
72declare ptr @llvm.coro.begin(token, ptr)
73declare i1 @llvm.coro.suspend.retcon.i1(...)
74declare i1 @llvm.coro.end(ptr, i1, token)
75declare token @llvm.coro.end.results(...)
76
77declare void @prototype(ptr, i1 zeroext)
78declare i8 @prototype2(ptr, i1 zeroext)
79declare {ptr, i32, ptr} @prototype3(ptr, i1 zeroext)
80
81declare noalias ptr @allocate(i32 %size)
82declare fastcc void @deallocate(ptr %ptr)
83
84declare void @print(i32)
85; CHECK-LABEL: @f(
86; CHECK-NEXT:  entry:
87; CHECK-NEXT:    [[TMP0:%.*]] = call ptr @allocate(i32 16)
88; CHECK-NEXT:    store ptr [[TMP0]], ptr [[BUFFER:%.*]], align 8
89; CHECK-NEXT:    [[TEMP:%.*]] = getelementptr inbounds [[F_FRAME:%.*]], ptr [[TMP0]], i32 0, i32 1
90; CHECK-NEXT:    store ptr [[PTR:%.*]], ptr [[TMP0]], align 8
91; CHECK-NEXT:    [[OLDVALUE:%.*]] = load i32, ptr [[PTR]], align 4
92; CHECK-NEXT:    store i32 [[OLDVALUE]], ptr [[TEMP]], align 4
93; CHECK-NEXT:    [[TMP1:%.*]] = insertvalue { ptr, ptr } { ptr @f.resume.0, ptr poison }, ptr [[TEMP]], 1
94; CHECK-NEXT:    ret { ptr, ptr } [[TMP1]]
95;
96;
97; CHECK-LABEL: @f.resume.0(
98; CHECK-NEXT:  entryresume.0:
99; CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[TMP0:%.*]], align 8
100; CHECK-NEXT:    [[TEMP:%.*]] = getelementptr inbounds [[F_FRAME:%.*]], ptr [[TMP2]], i32 0, i32 1
101; CHECK-NEXT:    br i1 [[TMP1:%.*]], label [[COROEND:%.*]], label [[CONT:%.*]]
102; CHECK:       cont:
103; CHECK-NEXT:    [[PTR_RELOAD:%.*]] = load ptr, ptr [[TMP2]], align 8
104; CHECK-NEXT:    [[NEWVALUE:%.*]] = load i32, ptr [[TEMP]], align 4
105; CHECK-NEXT:    store i32 [[NEWVALUE]], ptr [[PTR_RELOAD]], align 4
106; CHECK-NEXT:    br label [[COROEND]]
107; CHECK:       CoroEnd:
108; CHECK-NEXT:    call fastcc void @deallocate(ptr [[TMP2]])
109; CHECK-NEXT:    ret void
110;
111;
112; CHECK-LABEL: @g(
113; CHECK-NEXT:  entry:
114; CHECK-NEXT:    [[TMP0:%.*]] = call ptr @allocate(i32 16)
115; CHECK-NEXT:    store ptr [[TMP0]], ptr [[BUFFER:%.*]], align 8
116; CHECK-NEXT:    [[TEMP:%.*]] = getelementptr inbounds [[G_FRAME:%.*]], ptr [[TMP0]], i32 0, i32 1
117; CHECK-NEXT:    [[VAL_SPILL_ADDR:%.*]] = getelementptr inbounds [[G_FRAME]], ptr [[TMP0]], i32 0, i32 2
118; CHECK-NEXT:    store i8 [[VAL:%.*]], ptr [[VAL_SPILL_ADDR]], align 1
119; CHECK-NEXT:    store ptr [[PTR:%.*]], ptr [[TMP0]], align 8
120; CHECK-NEXT:    [[OLDVALUE:%.*]] = load i32, ptr [[PTR]], align 4
121; CHECK-NEXT:    store i32 [[OLDVALUE]], ptr [[TEMP]], align 4
122; CHECK-NEXT:    [[TMP1:%.*]] = insertvalue { ptr, ptr } { ptr @g.resume.0, ptr poison }, ptr [[TEMP]], 1
123; CHECK-NEXT:    ret { ptr, ptr } [[TMP1]]
124;
125;
126; CHECK-LABEL: @g.resume.0(
127; CHECK-NEXT:  entryresume.0:
128; CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[TMP0:%.*]], align 8
129; CHECK-NEXT:    [[TEMP:%.*]] = getelementptr inbounds [[G_FRAME:%.*]], ptr [[TMP2]], i32 0, i32 1
130; CHECK-NEXT:    br i1 [[TMP1:%.*]], label [[CLEANUP:%.*]], label [[CONT:%.*]]
131; CHECK:       cont:
132; CHECK-NEXT:    [[PTR_RELOAD:%.*]] = load ptr, ptr [[TMP2]], align 8
133; CHECK-NEXT:    [[NEWVALUE:%.*]] = load i32, ptr [[TEMP]], align 4
134; CHECK-NEXT:    store i32 [[NEWVALUE]], ptr [[PTR_RELOAD]], align 4
135; CHECK-NEXT:    br label [[CLEANUP]]
136; CHECK:       cleanup:
137; CHECK-NEXT:    [[VAL_RELOAD_ADDR:%.*]] = getelementptr inbounds [[G_FRAME]], ptr [[TMP2]], i32 0, i32 2
138; CHECK-NEXT:    [[VAL_RELOAD:%.*]] = load i8, ptr [[VAL_RELOAD_ADDR]], align 1
139; CHECK-NEXT:    call fastcc void @deallocate(ptr [[TMP2]])
140; CHECK-NEXT:    ret i8 [[VAL_RELOAD]]
141;
142;
143; CHECK-LABEL: @h(
144; CHECK-NEXT:  entry:
145; CHECK-NEXT:    [[TMP0:%.*]] = call ptr @allocate(i32 16)
146; CHECK-NEXT:    store ptr [[TMP0]], ptr [[BUFFER:%.*]], align 8
147; CHECK-NEXT:    [[TEMP:%.*]] = getelementptr inbounds [[H_FRAME:%.*]], ptr [[TMP0]], i32 0, i32 1
148; CHECK-NEXT:    store ptr [[PTR:%.*]], ptr [[TMP0]], align 8
149; CHECK-NEXT:    [[OLDVALUE:%.*]] = load i32, ptr [[PTR]], align 4
150; CHECK-NEXT:    store i32 [[OLDVALUE]], ptr [[TEMP]], align 4
151; CHECK-NEXT:    [[TMP1:%.*]] = insertvalue { ptr, ptr } { ptr @h.resume.0, ptr poison }, ptr [[TEMP]], 1
152; CHECK-NEXT:    ret { ptr, ptr } [[TMP1]]
153;
154;
155; CHECK-LABEL: @h.resume.0(
156; CHECK-NEXT:  entryresume.0:
157; CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[TMP0:%.*]], align 8
158; CHECK-NEXT:    [[TEMP:%.*]] = getelementptr inbounds [[H_FRAME:%.*]], ptr [[TMP2]], i32 0, i32 1
159; CHECK-NEXT:    br i1 [[TMP1:%.*]], label [[COROEND:%.*]], label [[CONT:%.*]]
160; CHECK:       cont:
161; CHECK-NEXT:    [[PTR_RELOAD:%.*]] = load ptr, ptr [[TMP2]], align 8
162; CHECK-NEXT:    [[NEWVALUE:%.*]] = load i32, ptr [[TEMP]], align 4
163; CHECK-NEXT:    store i32 [[NEWVALUE]], ptr [[PTR_RELOAD]], align 4
164; CHECK-NEXT:    br label [[COROEND]]
165; CHECK:       CoroEnd:
166; CHECK-NEXT:    call fastcc void @deallocate(ptr [[TMP2]])
167; CHECK-NEXT:    ret { ptr, i32, ptr } { ptr null, i32 123, ptr @deallocate }
168;
169