1; Tests that the coro.align intrinsic could be lowered to correct alignment 2; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s 3 4define ptr @f() presplitcoroutine { 5entry: 6 %x = alloca i64, align 16 7 %y = alloca i64 8 %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 %resume 15 i8 1, label %cleanup] 16resume: 17 call void @capture_call(ptr %x) 18 call void @capture_call(ptr %y) 19 br label %cleanup 20 21cleanup: 22 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl) 23 call void @free(ptr %mem) 24 br label %suspend 25 26suspend: 27 call i1 @llvm.coro.end(ptr %hdl, i1 0, token none) 28 ret ptr %hdl 29} 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, i64, i1 } 33; CHECK-LABEL: define ptr @f() 34; CHECK: %[[ALLOC:.+]] = call ptr @aligned_alloc(i32 16, i32 40) 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 i1 @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