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| ; RUN: opt < %s -coro-split -coro-cleanup -S | FileCheck %s
define i8* @f(i8* %buffer, i32 %n) "coroutine.presplit"="1" {
entry:
%id = call token @llvm.coro.id.retcon(i32 8, i32 4, i8* %buffer, i8* bitcast (i8* (i8*, i32)* @prototype to i8*), i8* bitcast (i8* (i32)* @allocate to i8*), i8* bitcast (void (i8*)* @deallocate to i8*))
%hdl = call i8* @llvm.coro.begin(token %id, i8* null)
%value0 = call i32 (...) @llvm.coro.suspend.retcon.i32()
%sum0 = call i32 @add(i32 %n, i32 %value0)
%value1 = call i32 (...) @llvm.coro.suspend.retcon.i32()
%sum1 = call i32 @add(i32 %sum0, i32 %value0)
%sum2 = call i32 @add(i32 %sum1, i32 %value1)
%value2 = call i32 (...) @llvm.coro.suspend.retcon.i32()
%sum3 = call i32 @add(i32 %sum2, i32 %value0)
%sum4 = call i32 @add(i32 %sum3, i32 %value1)
%sum5 = call i32 @add(i32 %sum4, i32 %value2)
call void @print(i32 %sum5)
call i1 @llvm.coro.end(i8* %hdl, i1 0)
unreachable
}
; CHECK-LABEL: define i8* @f(i8* %buffer, i32 %n)
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ALLOC:%.*]] = call i8* @allocate(i32 20)
; CHECK-NEXT: [[T0:%.*]] = bitcast i8* %buffer to i8**
; CHECK-NEXT: store i8* [[ALLOC]], i8** [[T0]]
; CHECK-NEXT: [[FRAME:%.*]] = bitcast i8* [[ALLOC]] to [[FRAME_T:%.*]]*
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 0
; CHECK-NEXT: store i32 %n, i32* [[T0]]
; CHECK-NEXT: ret i8* bitcast (i8* (i8*, i32)* @f.resume.0 to i8*)
; CHECK-NEXT: }
; CHECK-LABEL: define internal i8* @f.resume.0(i8* noalias nonnull %0, i32 %1)
; CHECK-NEXT: :
; CHECK-NEXT: [[T0:%.*]] = bitcast i8* %0 to [[FRAME_T:%.*]]**
; CHECK-NEXT: [[FRAME:%.*]] = load [[FRAME_T]]*, [[FRAME_T]]** [[T0]]
; CHECK-NEXT: [[VFRAME:%.*]] = bitcast [[FRAME_T]]* [[FRAME]] to i8*
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 1
; CHECK-NEXT: store i32 %1, i32* [[T0]]
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 0
; CHECK-NEXT: [[N:%.*]] = load i32, i32* [[T0]]
; CHECK-NEXT: %sum0 = call i32 @add(i32 [[N]], i32 %1)
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 2
; CHECK-NEXT: store i32 %sum0, i32* [[T0]]
; CHECK-NEXT: [[CONT:%.*]] = bitcast i8* (i8*, i32)* @f.resume.1 to i8*
; CHECK-NEXT: ret i8* [[CONT]]
; CHECK-NEXT: }
; CHECK-LABEL: define internal i8* @f.resume.1(i8* noalias nonnull %0, i32 %1)
; CHECK-NEXT: :
; CHECK-NEXT: [[T0:%.*]] = bitcast i8* %0 to [[FRAME_T:%.*]]**
; CHECK-NEXT: [[FRAME:%.*]] = load [[FRAME_T]]*, [[FRAME_T]]** [[T0]]
; CHECK-NEXT: [[VFRAME:%.*]] = bitcast [[FRAME_T]]* [[FRAME]] to i8*
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 3
; CHECK-NEXT: store i32 %1, i32* [[T0]]
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 2
; CHECK-NEXT: [[SUM0:%.*]] = load i32, i32* [[T0]]
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 1
; CHECK-NEXT: [[VALUE0:%.*]] = load i32, i32* [[T0]]
; CHECK-NEXT: %sum1 = call i32 @add(i32 [[SUM0]], i32 [[VALUE0]])
; CHECK-NEXT: %sum2 = call i32 @add(i32 %sum1, i32 %1)
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 4
; CHECK-NEXT: store i32 %sum2, i32* [[T0]]
; CHECK-NEXT: [[CONT:%.*]] = bitcast i8* (i8*, i32)* @f.resume.2 to i8*
; CHECK-NEXT: ret i8* [[CONT]]
; CHECK-NEXT: }
; CHECK-LABEL: define internal i8* @f.resume.2(i8* noalias nonnull %0, i32 %1)
; CHECK-NEXT: :
; CHECK-NEXT: [[T0:%.*]] = bitcast i8* %0 to [[FRAME_T:%.*]]**
; CHECK-NEXT: [[FRAME:%.*]] = load [[FRAME_T]]*, [[FRAME_T]]** [[T0]]
; CHECK-NEXT: [[VFRAME:%.*]] = bitcast [[FRAME_T]]* [[FRAME]] to i8*
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 4
; CHECK-NEXT: [[SUM2:%.*]] = load i32, i32* [[T0]]
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 3
; CHECK-NEXT: [[VALUE1:%.*]] = load i32, i32* [[T0]]
; CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[FRAME_T]], [[FRAME_T]]* [[FRAME]], i32 0, i32 1
; CHECK-NEXT: [[VALUE0:%.*]] = load i32, i32* [[T0]]
; CHECK-NEXT: %sum3 = call i32 @add(i32 [[SUM2]], i32 [[VALUE0]])
; CHECK-NEXT: %sum4 = call i32 @add(i32 %sum3, i32 [[VALUE1]])
; CHECK-NEXT: %sum5 = call i32 @add(i32 %sum4, i32 %1)
; CHECK-NEXT: call void @print(i32 %sum5)
; CHECK-NEXT: [[CONT:%.*]] = bitcast [[FRAME_T]]* [[FRAME]] to i8*
; CHECK-NEXT: call void @deallocate(i8* [[CONT]])
; CHECK-NEXT: ret i8* null
; CHECK-NEXT: }
declare token @llvm.coro.id.retcon(i32, i32, i8*, i8*, i8*, i8*)
declare i8* @llvm.coro.begin(token, i8*)
declare i32 @llvm.coro.suspend.retcon.i32(...)
declare i1 @llvm.coro.end(i8*, i1)
declare i8* @llvm.coro.prepare.retcon(i8*)
declare i8* @prototype(i8*, i32)
declare noalias i8* @allocate(i32 %size)
declare void @deallocate(i8* %ptr)
declare i32 @add(i32, i32)
declare void @print(i32)
|