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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse,coro-cleanup' -S | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"
define {ptr, ptr} @f(ptr %buffer, ptr %ptr) presplitcoroutine {
entry:
%temp = alloca i32, align 4
%id = call token @llvm.coro.id.retcon.once(i32 8, i32 8, ptr %buffer, ptr @prototype, ptr @allocate, ptr @deallocate)
%hdl = call ptr @llvm.coro.begin(token %id, ptr null)
%oldvalue = load i32, ptr %ptr
store i32 %oldvalue, ptr %temp
%unwind = call i1 (...) @llvm.coro.suspend.retcon.i1(ptr %temp)
br i1 %unwind, label %cleanup, label %cont
cont:
%newvalue = load i32, ptr %temp
store i32 %newvalue, ptr %ptr
br label %cleanup
cleanup:
call i1 @llvm.coro.end(ptr %hdl, i1 0)
unreachable
}
declare token @llvm.coro.id.retcon.once(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)
declare void @prototype(ptr, i1 zeroext)
declare noalias ptr @allocate(i32 %size)
declare fastcc void @deallocate(ptr %ptr)
declare void @print(i32)
; CHECK-LABEL: @f(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call ptr @allocate(i32 16)
; CHECK-NEXT: store ptr [[TMP0]], ptr [[BUFFER:%.*]], align 8
; CHECK-NEXT: [[TEMP:%.*]] = getelementptr inbounds [[F_FRAME:%.*]], ptr [[TMP0]], i32 0, i32 1
; CHECK-NEXT: store ptr [[PTR:%.*]], ptr [[TMP0]], align 8
; CHECK-NEXT: [[OLDVALUE:%.*]] = load i32, ptr [[PTR]], align 4
; CHECK-NEXT: store i32 [[OLDVALUE]], ptr [[TEMP]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = insertvalue { ptr, ptr } { ptr @f.resume.0, ptr undef }, ptr [[TEMP]], 1
; CHECK-NEXT: ret { ptr, ptr } [[TMP2]]
;
;
; CHECK-LABEL: @f.resume.0(
; CHECK-NEXT: entryresume.0:
; CHECK-NEXT: [[FRAMEPTR:%.*]] = load ptr, ptr [[TMP0:%.*]], align 8
; CHECK-NEXT: [[TEMP:%.*]] = getelementptr inbounds [[F_FRAME:%.*]], ptr [[FRAMEPTR]], i32 0, i32 1
; CHECK-NEXT: br i1 [[TMP1:%.*]], label [[COROEND:%.*]], label [[CONT:%.*]]
; CHECK: cont:
; CHECK-NEXT: [[PTR_RELOAD:%.*]] = load ptr, ptr [[FRAMEPTR]], align 8
; CHECK-NEXT: [[NEWVALUE:%.*]] = load i32, ptr [[TEMP]], align 4
; CHECK-NEXT: store i32 [[NEWVALUE]], ptr [[PTR_RELOAD]], align 4
; CHECK-NEXT: br label [[COROEND]]
; CHECK: CoroEnd:
; CHECK-NEXT: call fastcc void @deallocate(ptr [[FRAMEPTR]])
; CHECK-NEXT: ret void
;
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