| ; Tests that coro-split passes initialized values to coroutine frame allocator. |
| ; RUN: opt < %s -coro-split -S | FileCheck %s |
| ; RUN: opt < %s -passes=coro-split -S | FileCheck %s |
| |
| define i8* @f(i32 %argument) "coroutine.presplit"="1" { |
| entry: |
| %argument.addr = alloca i32, align 4 |
| %incremented = add i32 %argument, 1 |
| store i32 %incremented, i32* %argument.addr, align 4 |
| %id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null) |
| %need.alloc = call i1 @llvm.coro.alloc(token %id) |
| br i1 %need.alloc, label %dyn.alloc, label %begin |
| |
| dyn.alloc: |
| %size = call i32 @llvm.coro.size.i32() |
| %allocator_argument = load i32, i32* %argument.addr, align 4 |
| %alloc = call i8* @custom_alloctor(i32 %size, i32 %allocator_argument) |
| br label %begin |
| |
| begin: |
| %phi = phi i8* [ null, %entry ], [ %alloc, %dyn.alloc ] |
| %hdl = call i8* @llvm.coro.begin(token %id, i8* %phi) |
| %print_argument = load i32, i32* %argument.addr, align 4 |
| call void @print(i32 %print_argument) |
| %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 @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 i8* %hdl |
| } |
| |
| ; CHECK-LABEL: @f( |
| ; CHECK: %argument.addr = alloca i32 |
| ; CHECK: %incremented = add i32 %argument, 1 |
| ; CHECK-NEXT: store i32 %incremented, i32* %argument.addr |
| ; CHECK-LABEL: dyn.alloc: |
| ; CHECK: %allocator_argument = load i32, i32* %argument.addr |
| ; CHECK: %alloc = call i8* @custom_alloctor(i32 24, i32 %allocator_argument) |
| ; CHECK-LABEL: begin: |
| ; CHECK: %print_argument = load i32, i32* %argument.addr |
| ; CHECK: call void @print(i32 %print_argument) |
| |
| 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 token @llvm.coro.id(i32, i8*, i8*, i8*) |
| declare i1 @llvm.coro.alloc(token) |
| declare i8* @llvm.coro.begin(token, i8*) |
| declare i1 @llvm.coro.end(i8*, i1) |
| |
| declare noalias i8* @custom_alloctor(i32, i32) |
| declare void @print(i32) |
| declare void @free(i8*) |