| ; Tests that variables of different type with incompatible alignment in a Corotuine whose lifetime |
| ; range is not overlapping each other should not re-use the same slot in Coroutine frame. |
| ; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -reuse-storage-in-coroutine-frame -S | FileCheck %s |
| %"struct.task::promise_type" = type { i8 } |
| %struct.awaitable = type { i8 } |
| %struct.big_structure = type { [500 x i8] } |
| %struct.big_structure.2 = type { [300 x i8] } |
| declare i8* @malloc(i64) |
| declare void @consume(%struct.big_structure*) |
| declare void @consume.2(%struct.big_structure.2*) |
| define void @a(i1 zeroext %cond) "coroutine.presplit"="1" { |
| entry: |
| %__promise = alloca %"struct.task::promise_type", align 1 |
| %a = alloca %struct.big_structure, align 1 |
| %ref.tmp7 = alloca %struct.awaitable, align 1 |
| %b = alloca %struct.big_structure.2, align 32 |
| %ref.tmp18 = alloca %struct.awaitable, align 1 |
| %0 = getelementptr inbounds %"struct.task::promise_type", %"struct.task::promise_type"* %__promise, i64 0, i32 0 |
| %1 = call token @llvm.coro.id(i32 16, i8* nonnull %0, i8* bitcast (void (i1)* @a to i8*), i8* null) |
| br label %init.ready |
| init.ready: |
| %2 = call noalias nonnull i8* @llvm.coro.begin(token %1, i8* null) |
| call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %0) |
| br i1 %cond, label %if.then, label %if.else |
| if.then: |
| %3 = getelementptr inbounds %struct.big_structure, %struct.big_structure* %a, i64 0, i32 0, i64 0 |
| call void @llvm.lifetime.start.p0i8(i64 500, i8* nonnull %3) |
| call void @consume(%struct.big_structure* nonnull %a) |
| %save = call token @llvm.coro.save(i8* null) |
| %suspend = call i8 @llvm.coro.suspend(token %save, i1 false) |
| switch i8 %suspend, label %coro.ret [ |
| i8 0, label %await.ready |
| i8 1, label %cleanup1 |
| ] |
| await.ready: |
| call void @llvm.lifetime.end.p0i8(i64 500, i8* nonnull %3) |
| br label %cleanup1 |
| if.else: |
| %4 = getelementptr inbounds %struct.big_structure.2, %struct.big_structure.2* %b, i64 0, i32 0, i64 0 |
| call void @llvm.lifetime.start.p0i8(i64 300, i8* nonnull %4) |
| call void @consume.2(%struct.big_structure.2* nonnull %b) |
| %save2 = call token @llvm.coro.save(i8* null) |
| %suspend2 = call i8 @llvm.coro.suspend(token %save2, i1 false) |
| switch i8 %suspend2, label %coro.ret [ |
| i8 0, label %await2.ready |
| i8 1, label %cleanup2 |
| ] |
| await2.ready: |
| call void @llvm.lifetime.end.p0i8(i64 300, i8* nonnull %4) |
| br label %cleanup2 |
| cleanup1: |
| call void @llvm.lifetime.end.p0i8(i64 500, i8* nonnull %3) |
| br label %cleanup |
| cleanup2: |
| call void @llvm.lifetime.end.p0i8(i64 300, i8* nonnull %4) |
| br label %cleanup |
| cleanup: |
| call i8* @llvm.coro.free(token %1, i8* %2) |
| br label %coro.ret |
| coro.ret: |
| call i1 @llvm.coro.end(i8* null, i1 false) |
| ret void |
| } |
| ; CHECK: %a.Frame = type { void (%a.Frame*)*, void (%a.Frame*)*, %"struct.task::promise_type", %struct.big_structure, i1, [26 x i8], %struct.big_structure.2 } |
| ; CHECK-LABEL: @a.resume( |
| ; CHECK: %[[A:.*]] = getelementptr inbounds %a.Frame, %a.Frame* %FramePtr, i32 0, i32 3 |
| ; CHECK: %[[A:.*]] = getelementptr inbounds %a.Frame, %a.Frame* %FramePtr, i32 0, i32 6 |
| |
| declare token @llvm.coro.id(i32, i8* readnone, i8* nocapture readonly, i8*) |
| declare i1 @llvm.coro.alloc(token) #3 |
| declare i64 @llvm.coro.size.i64() #5 |
| declare i8* @llvm.coro.begin(token, i8* writeonly) #3 |
| declare token @llvm.coro.save(i8*) #3 |
| declare i8* @llvm.coro.frame() #5 |
| declare i8 @llvm.coro.suspend(token, i1) #3 |
| declare i8* @llvm.coro.free(token, i8* nocapture readonly) #2 |
| declare i1 @llvm.coro.end(i8*, i1) #3 |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #4 |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #4 |