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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s
declare ptr @malloc(i64)
%i8.array = type { [100 x i8] }
declare void @consume.i8.array(ptr)
@testbool = external local_unnamed_addr global i8, align 1
; testval does not contain an explicit lifetime end. We must assume that it may
; live across suspension.
define void @HasNoLifetimeEnd() presplitcoroutine {
; CHECK-LABEL: define void @HasNoLifetimeEnd() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ID:%.*]] = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr @HasNoLifetimeEnd.resumers)
; CHECK-NEXT: [[ALLOC:%.*]] = call ptr @malloc(i64 16)
; CHECK-NEXT: [[VFRAME:%.*]] = call noalias nonnull ptr @llvm.coro.begin(token [[ID]], ptr [[ALLOC]])
; CHECK-NEXT: store ptr @HasNoLifetimeEnd.resume, ptr [[VFRAME]], align 8
; CHECK-NEXT: [[DESTROY_ADDR:%.*]] = getelementptr inbounds [[HASNOLIFETIMEEND_FRAME:%.*]], ptr [[VFRAME]], i32 0, i32 1
; CHECK-NEXT: store ptr @HasNoLifetimeEnd.destroy, ptr [[DESTROY_ADDR]], align 8
; CHECK-NEXT: [[INDEX_ADDR1:%.*]] = getelementptr inbounds [[HASNOLIFETIMEEND_FRAME]], ptr [[VFRAME]], i32 0, i32 2
; CHECK-NEXT: call void @consume.i8.array(ptr [[INDEX_ADDR1]])
; CHECK-NEXT: [[INDEX_ADDR2:%.*]] = getelementptr inbounds [[HASNOLIFETIMEEND_FRAME]], ptr [[VFRAME]], i32 0, i32 3
; CHECK-NEXT: store i1 false, ptr [[INDEX_ADDR2]], align 1
; CHECK-NEXT: ret void
;
entry:
%testval = alloca %i8.array
%id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
%alloc = call ptr @malloc(i64 16) #3
%vFrame = call noalias nonnull ptr @llvm.coro.begin(token %id, ptr %alloc)
call void @llvm.lifetime.start.p0(i64 100, ptr %testval)
call void @consume.i8.array(ptr %testval)
%save = call token @llvm.coro.save(ptr null)
%suspend = call i8 @llvm.coro.suspend(token %save, i1 false)
switch i8 %suspend, label %exit [
i8 0, label %await.ready
i8 1, label %exit
]
await.ready:
br label %exit
exit:
call i1 @llvm.coro.end(ptr null, i1 false, token none)
ret void
}
define void @LifetimeEndAfterCoroEnd() presplitcoroutine {
; CHECK-LABEL: define void @LifetimeEndAfterCoroEnd() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ID:%.*]] = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr @LifetimeEndAfterCoroEnd.resumers)
; CHECK-NEXT: [[ALLOC:%.*]] = call ptr @malloc(i64 16)
; CHECK-NEXT: [[VFRAME:%.*]] = call noalias nonnull ptr @llvm.coro.begin(token [[ID]], ptr [[ALLOC]])
; CHECK-NEXT: store ptr @LifetimeEndAfterCoroEnd.resume, ptr [[VFRAME]], align 8
; CHECK-NEXT: [[DESTROY_ADDR:%.*]] = getelementptr inbounds [[LIFETIMEENDAFTERCOROEND_FRAME:%.*]], ptr [[VFRAME]], i32 0, i32 1
; CHECK-NEXT: store ptr @LifetimeEndAfterCoroEnd.destroy, ptr [[DESTROY_ADDR]], align 8
; CHECK-NEXT: [[INDEX_ADDR1:%.*]] = getelementptr inbounds [[LIFETIMEENDAFTERCOROEND_FRAME]], ptr [[VFRAME]], i32 0, i32 2
; CHECK-NEXT: call void @consume.i8.array(ptr [[INDEX_ADDR1]])
; CHECK-NEXT: [[INDEX_ADDR2:%.*]] = getelementptr inbounds [[LIFETIMEENDAFTERCOROEND_FRAME]], ptr [[VFRAME]], i32 0, i32 3
; CHECK-NEXT: store i1 false, ptr [[INDEX_ADDR2]], align 1
; CHECK-NEXT: ret void
;
entry:
%testval = alloca %i8.array
%id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
%alloc = call ptr @malloc(i64 16) #3
%vFrame = call noalias nonnull ptr @llvm.coro.begin(token %id, ptr %alloc)
call void @llvm.lifetime.start.p0(i64 100, ptr %testval)
call void @consume.i8.array(ptr %testval)
%save = call token @llvm.coro.save(ptr null)
%suspend = call i8 @llvm.coro.suspend(token %save, i1 false)
switch i8 %suspend, label %exit [
i8 0, label %await.ready
i8 1, label %exit
]
await.ready:
br label %exit
exit:
call i1 @llvm.coro.end(ptr null, i1 false, token none)
call void @llvm.lifetime.end.p0(i64 100, ptr %testval)
ret void
}
define void @BranchWithoutLifetimeEnd() presplitcoroutine {
; CHECK-LABEL: define void @BranchWithoutLifetimeEnd() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ID:%.*]] = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr @BranchWithoutLifetimeEnd.resumers)
; CHECK-NEXT: [[ALLOC:%.*]] = call ptr @malloc(i64 16)
; CHECK-NEXT: [[VFRAME:%.*]] = call noalias nonnull ptr @llvm.coro.begin(token [[ID]], ptr [[ALLOC]])
; CHECK-NEXT: store ptr @BranchWithoutLifetimeEnd.resume, ptr [[VFRAME]], align 8
; CHECK-NEXT: [[DESTROY_ADDR:%.*]] = getelementptr inbounds [[BRANCHWITHOUTLIFETIMEEND_FRAME:%.*]], ptr [[VFRAME]], i32 0, i32 1
; CHECK-NEXT: store ptr @BranchWithoutLifetimeEnd.destroy, ptr [[DESTROY_ADDR]], align 8
; CHECK-NEXT: [[TESTVAL:%.*]] = getelementptr inbounds [[BRANCHWITHOUTLIFETIMEEND_FRAME]], ptr [[VFRAME]], i32 0, i32 2
; CHECK-NEXT: call void @consume.i8.array(ptr [[TESTVAL]])
; CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr @testbool, align 1
; CHECK-NEXT: [[INDEX_ADDR1:%.*]] = getelementptr inbounds [[BRANCHWITHOUTLIFETIMEEND_FRAME]], ptr [[VFRAME]], i32 0, i32 3
; CHECK-NEXT: store i1 false, ptr [[INDEX_ADDR1]], align 1
; CHECK-NEXT: ret void
;
entry:
%testval = alloca %i8.array
%id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
%alloc = call ptr @malloc(i64 16) #3
%vFrame = call noalias nonnull ptr @llvm.coro.begin(token %id, ptr %alloc)
call void @llvm.lifetime.start.p0(i64 100, ptr %testval)
call void @consume.i8.array(ptr %testval)
%0 = load i8, ptr @testbool, align 1
%tobool = trunc nuw i8 %0 to i1
br i1 %tobool, label %if.then, label %if.end
if.then:
call void @llvm.lifetime.end.p0(i64 100, ptr %testval)
br label %if.end
if.end:
%save = call token @llvm.coro.save(ptr null)
%suspend = call i8 @llvm.coro.suspend(token %save, i1 false)
switch i8 %suspend, label %exit [
i8 0, label %await.ready
i8 1, label %exit
]
await.ready:
br label %exit
exit:
call i1 @llvm.coro.end(ptr null, i1 false, token none)
ret void
}
declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr)
declare ptr @llvm.coro.begin(token, ptr writeonly) #3
declare ptr @llvm.coro.frame() #5
declare i8 @llvm.coro.suspend(token, i1) #3
declare i1 @llvm.coro.end(ptr, i1, token) #3
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #4
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #4
|