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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='default<O2>' -S | FileCheck %s
; Same test as coro-retcon.ll, but with opaque pointers enabled.
define ptr @f(ptr %buffer, i32 %n) {
; CHECK-LABEL: @f(
; CHECK-NEXT: coro.return:
; CHECK-NEXT: store i32 [[N:%.*]], ptr [[BUFFER:%.*]], align 4
; CHECK-NEXT: tail call void @print(i32 [[N]])
; CHECK-NEXT: ret ptr @f.resume.0
;
entry:
%id = call token @llvm.coro.id.retcon(i32 8, i32 4, ptr %buffer, ptr @prototype, ptr @allocate, ptr @deallocate)
%hdl = call ptr @llvm.coro.begin(token %id, ptr null)
br label %loop
loop: ; preds = %resume, %entry
%n.val = phi i32 [ %n, %entry ], [ %inc, %resume ]
call void @print(i32 %n.val)
%unwind0 = call i1 (...) @llvm.coro.suspend.retcon.i1()
br i1 %unwind0, label %cleanup, label %resume
resume: ; preds = %loop
%inc = add i32 %n.val, 1
br label %loop
cleanup: ; preds = %loop
%0 = call i1 @llvm.coro.end(ptr %hdl, i1 false, token none)
unreachable
}
define i32 @main() {
; CHECK-LABEL: @main(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @print(i32 4)
; CHECK-NEXT: call void @print(i32 5), !noalias !0
; CHECK-NEXT: call void @print(i32 6), !noalias !3
; CHECK-NEXT: ret i32 0
;
entry:
%0 = alloca [8 x i8], align 4
%prepare = call ptr @llvm.coro.prepare.retcon(ptr @f)
%cont0 = call ptr %prepare(ptr %0, i32 4)
%cont1 = call ptr %cont0(ptr %0, i1 zeroext false)
%cont2 = call ptr %cont1(ptr %0, i1 zeroext false)
%1 = call ptr %cont2(ptr %0, i1 zeroext true)
ret i32 0
}
define hidden { ptr, ptr } @g(ptr %buffer, ptr %ptr) {
; CHECK-LABEL: @g(
; CHECK-NEXT: coro.return:
; CHECK-NEXT: [[TMP0:%.*]] = tail call ptr @allocate(i32 8)
; CHECK-NEXT: store ptr [[TMP0]], ptr [[BUFFER:%.*]], align 8
; CHECK-NEXT: store ptr [[PTR:%.*]], ptr [[TMP0]], align 8
; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { ptr, ptr } { ptr @g.resume.0, ptr poison }, ptr [[PTR]], 1
; CHECK-NEXT: ret { ptr, ptr } [[TMP1]]
;
entry:
%id = call token @llvm.coro.id.retcon(i32 8, i32 4, ptr %buffer, ptr @g_prototype, ptr @allocate, ptr @deallocate)
%hdl = call ptr @llvm.coro.begin(token %id, ptr null)
br label %loop
loop: ; preds = %resume, %entry
%unwind0 = call i1 (...) @llvm.coro.suspend.retcon.i1(ptr %ptr)
br i1 %unwind0, label %cleanup, label %resume
resume: ; preds = %loop
br label %loop
cleanup: ; preds = %loop
%0 = call i1 @llvm.coro.end(ptr %hdl, i1 false, token none)
unreachable
}
declare token @llvm.coro.id.retcon(i32, i32, ptr, ptr, ptr, ptr)
declare ptr @llvm.coro.begin(token, ptr)
declare i1 @llvm.coro.suspend.retcon.i1(...)
declare i1 @llvm.coro.end(ptr, i1, token)
declare ptr @llvm.coro.prepare.retcon(ptr)
declare ptr @prototype(ptr, i1 zeroext)
declare {ptr,ptr} @g_prototype(ptr, i1 zeroext)
declare noalias ptr @allocate(i32 %size)
declare void @deallocate(ptr %ptr)
declare void @print(i32)
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