diff options
Diffstat (limited to 'llvm/test/Transforms/Coroutines/restart-trigger.ll')
| -rw-r--r-- | llvm/test/Transforms/Coroutines/restart-trigger.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Coroutines/restart-trigger.ll b/llvm/test/Transforms/Coroutines/restart-trigger.ll new file mode 100644 index 00000000000..f7f203f2fb5 --- /dev/null +++ b/llvm/test/Transforms/Coroutines/restart-trigger.ll @@ -0,0 +1,43 @@ +; Verifies that restart trigger forces IPO pipelines restart and the same +; coroutine is looked at by CoroSplit pass twice. +; REQUIRES: asserts +; RUN: opt < %s -S -O0 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s +; RUN: opt < %s -S -O1 -enable-coroutines -debug-only=coro-split 2>&1 | FileCheck %s + +; CHECK: CoroSplit: Processing coroutine 'f' state: 0 +; CHECK-NEXT: CoroSplit: Processing coroutine 'f' state: 1 + +define void @f() { + %id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null) + %size = call i32 @llvm.coro.size.i32() + %alloc = call i8* @malloc(i32 %size) + %hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc) + call void @print(i32 0) + %s1 = call i8 @llvm.coro.suspend(token none, i1 false) + switch i8 %s1, label %suspend [i8 0, label %resume + i8 1, label %cleanup] +resume: + call void @print(i32 1) + br label %cleanup + +cleanup: + %mem = call i8* @llvm.coro.free(token %id, i8* %hdl) + call void @free(i8* %mem) + br label %suspend +suspend: + call i1 @llvm.coro.end(i8* %hdl, i1 0) + ret void +} + +declare token @llvm.coro.id(i32, i8*, i8*, i8*) +declare i8* @llvm.coro.begin(token, i8*) +declare i8* @llvm.coro.free(token, i8*) +declare i32 @llvm.coro.size.i32() +declare i8 @llvm.coro.suspend(token, i1) +declare void @llvm.coro.resume(i8*) +declare void @llvm.coro.destroy(i8*) +declare i1 @llvm.coro.end(i8*, i1) + +declare noalias i8* @malloc(i32) +declare void @print(i32) +declare void @free(i8*) |
