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1; Tests that the coro.align intrinsic could be lowered to correct alignment2; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s3 4define ptr @f() presplitcoroutine {5entry:6 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)7 %size = call i32 @llvm.coro.size.i32()8 %align = call i32 @llvm.coro.align.i32()9 %alloc = call ptr @aligned_alloc(i32 %align, i32 %size)10 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)11 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false)12 switch i8 %sp1, label %suspend [i8 0, label %resume13 i8 1, label %cleanup]14resume:15 br label %cleanup16 17cleanup:18 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)19 call void @free(ptr %mem)20 br label %suspend21 22suspend:23 call void @llvm.coro.end(ptr %hdl, i1 0, token none)24 ret ptr %hdl25}26 27; %x needs to go to the frame since it's escaped; %y will stay as local since it doesn't escape.28; CHECK: %f.Frame = type { ptr, ptr, i1 }29; CHECK-LABEL: define ptr @f()30; CHECK: %[[ALLOC:.+]] = call ptr @aligned_alloc(i32 8, i32 24)31; CHECK-NEXT: call noalias nonnull ptr @llvm.coro.begin(token %id, ptr %[[ALLOC]])32 33declare ptr @llvm.coro.free(token, ptr)34declare i32 @llvm.coro.size.i32()35declare i32 @llvm.coro.align.i32()36declare i8 @llvm.coro.suspend(token, i1)37declare void @llvm.coro.resume(ptr)38declare void @llvm.coro.destroy(ptr)39 40declare token @llvm.coro.id(i32, ptr, ptr, ptr)41declare i1 @llvm.coro.alloc(token)42declare ptr @llvm.coro.begin(token, ptr)43declare void @llvm.coro.end(ptr, i1, token)44 45declare noalias ptr @aligned_alloc(i32, i32)46declare void @free(ptr)47