| ; RUN: opt < %s -S -passes=coro-early | FileCheck %s |
| %struct.A = type <{ i64, i64, i32, [4 x i8] }> |
| |
| define void @f(%struct.A* nocapture readonly noalias align 8 %a) presplitcoroutine { |
| %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 |
| } |
| |
| ; check that the noalias attribute is removed from the argument |
| ; CHECK: define void @f(%struct.A* nocapture readonly align 8 %a) |
| |
| 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*) |
