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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 %x = alloca i1, align 647 %y = alloca i648 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)9 %size = call i32 @llvm.coro.size.i32()10 %align = call i32 @llvm.coro.align.i32()11 %alloc = call ptr @aligned_alloc(i32 %align, i32 %size)12 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)13 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false)14 switch i8 %sp1, label %suspend [i8 0, label %resume15 i8 1, label %cleanup]16resume:17 call void @capture_call(ptr %x)18 call void @capture_call(ptr %y)19 br label %cleanup20 21cleanup:22 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)23 call void @free(ptr %mem)24 br label %suspend25 26suspend:27 call void @llvm.coro.end(ptr %hdl, i1 0, token none)28 ret ptr %hdl29}30 31; %x needs to go to the frame since it's escaped; %y will stay as local since it doesn't escape.32; CHECK: %f.Frame = type { ptr, ptr, i64, i1, [39 x i8], i1 }33; CHECK-LABEL: define ptr @f()34; CHECK: %[[ALLOC:.+]] = call ptr @aligned_alloc(i32 64, i32 72)35; CHECK-NEXT: call noalias nonnull ptr @llvm.coro.begin(token %id, ptr %[[ALLOC]])36 37declare ptr @llvm.coro.free(token, ptr)38declare i32 @llvm.coro.size.i32()39declare i32 @llvm.coro.align.i32()40declare i8 @llvm.coro.suspend(token, i1)41declare void @llvm.coro.resume(ptr)42declare void @llvm.coro.destroy(ptr)43 44declare token @llvm.coro.id(i32, ptr, ptr, ptr)45declare i1 @llvm.coro.alloc(token)46declare ptr @llvm.coro.begin(token, ptr)47declare void @llvm.coro.end(ptr, i1, token)48 49declare void @capture_call(ptr)50declare void @nocapture_call(ptr nocapture)51declare noalias ptr @aligned_alloc(i32, i32)52declare void @free(ptr)53