| ; Check that promise object is reloaded from the correct index of the coro frame. |
| ; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s |
| |
| %"class.task::promise_type" = type { [64 x i8] } |
| |
| declare void @consume(ptr) |
| declare void @consume2(ptr) |
| |
| define ptr @f() presplitcoroutine { |
| entry: |
| %data = alloca i32, align 4 |
| %__promise = alloca %"class.task::promise_type", align 64 |
| %id = call token @llvm.coro.id(i32 0, ptr %__promise, ptr null, ptr null) |
| %size = call i32 @llvm.coro.size.i32() |
| %alloc = call ptr @malloc(i32 %size) |
| %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc) |
| call void @consume(ptr %data) |
| %0 = call i8 @llvm.coro.suspend(token none, i1 false) |
| switch i8 %0, label %suspend [i8 0, label %resume |
| i8 1, label %cleanup] |
| resume: |
| call void @consume(ptr %data) |
| call void @consume2(ptr %__promise) |
| br label %cleanup |
| |
| cleanup: |
| %mem = call ptr @llvm.coro.free(token %id, ptr %hdl) |
| call void @free(ptr %mem) |
| br label %suspend |
| suspend: |
| call i1 @llvm.coro.end(ptr %hdl, i1 0, token none) |
| ret ptr %hdl |
| } |
| |
| ; CHECK-LABEL: %f.Frame = type { ptr, ptr, i32, i1, [43 x i8], %"class.task::promise_type" } |
| |
| ; CHECK-LABEL: @f.resume( |
| ; CHECK: %[[DATA:.+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 5 |
| ; CHECK: call void @consume2(ptr %[[DATA]]) |
| ; CHECK: ret void |
| |
| declare ptr @llvm.coro.free(token, ptr) |
| declare i32 @llvm.coro.size.i32() |
| declare i8 @llvm.coro.suspend(token, i1) |
| declare void @llvm.coro.resume(ptr) |
| declare void @llvm.coro.destroy(ptr) |
| |
| declare token @llvm.coro.id(i32, ptr, ptr, ptr) |
| declare i1 @llvm.coro.alloc(token) |
| declare ptr @llvm.coro.begin(token, ptr) |
| declare i1 @llvm.coro.end(ptr, i1, token) |
| |
| declare noalias ptr @malloc(i32) |
| declare double @print(double) |
| declare void @free(ptr) |