1 ; Check that we can spills coro.begin from an inlined inner coroutine.
2 ; RUN: opt < %s -coro-split -S | FileCheck %s
4 %g.Frame = type { void (%g.Frame*)*, void (%g.Frame*)*, i32, i1, i32 }
6 @g.resumers = private constant [3 x void (%g.Frame*)*] [void (%g.Frame*)* @g.dummy, void (%g.Frame*)* @g.dummy, void (%g.Frame*)* @g.dummy]
8 declare void @g.dummy(%g.Frame*)
10 define i8* @f() "coroutine.presplit"="1" {
12 %id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null)
13 %size = call i32 @llvm.coro.size.i32()
14 %alloc = call i8* @malloc(i32 %size)
15 %hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc)
17 %innerid = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* bitcast ([3 x void (%g.Frame*)*]* @g.resumers to i8*))
18 %innerhdl = call noalias nonnull i8* @llvm.coro.begin(token %innerid, i8* null)
19 %gframe = bitcast i8* %innerhdl to %g.Frame*
21 %tok = call i8 @llvm.coro.suspend(token none, i1 false)
22 switch i8 %tok, label %suspend [i8 0, label %resume
25 %gvar.addr = getelementptr inbounds %g.Frame, %g.Frame* %gframe, i32 0, i32 4
26 %gvar = load i32, i32* %gvar.addr
27 call void @print.i32(i32 %gvar)
31 %mem = call i8* @llvm.coro.free(token %id, i8* %hdl)
32 call void @free(i8* %mem)
35 call i1 @llvm.coro.end(i8* %hdl, i1 0)
39 ; See if the i8* for coro.begin was added to f.Frame
40 ; CHECK-LABEL: %f.Frame = type { void (%f.Frame*)*, void (%f.Frame*)*, i1, i1, i8* }
42 ; See if the g's coro.begin was spilled into the frame
44 ; CHECK: %innerid = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* bitcast ([3 x void (%g.Frame*)*]* @g.resumers to i8*))
45 ; CHECK: %innerhdl = call noalias nonnull i8* @llvm.coro.begin(token %innerid, i8* null)
46 ; CHECK: %[[spilladdr:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 4
47 ; CHECK: store i8* %innerhdl, i8** %[[spilladdr]]
49 ; See if the coro.begin was loaded from the frame
50 ; CHECK-LABEL: @f.resume(
51 ; CHECK: %[[innerhdlAddr:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %{{.+}}, i32 0, i32 4
52 ; CHECK: %[[innerhdl:.+]] = load i8*, i8** %[[innerhdlAddr]]
53 ; CHECK: %[[gframe:.+]] = bitcast i8* %[[innerhdl]] to %g.Frame*
54 ; CHECK: %[[gvarAddr:.+]] = getelementptr inbounds %g.Frame, %g.Frame* %[[gframe]], i32 0, i32 4
55 ; CHECK: %[[gvar:.+]] = load i32, i32* %[[gvarAddr]]
56 ; CHECK: call void @print.i32(i32 %[[gvar]])
58 declare i8* @llvm.coro.free(token, i8*)
59 declare i32 @llvm.coro.size.i32()
60 declare i8 @llvm.coro.suspend(token, i1)
62 declare token @llvm.coro.id(i32, i8*, i8*, i8*)
63 declare i1 @llvm.coro.alloc(token)
64 declare i8* @llvm.coro.begin(token, i8*)
65 declare i1 @llvm.coro.end(i8*, i1)
67 declare noalias i8* @malloc(i32)
68 declare void @print.i32(i32)
69 declare void @free(i8*)