1; Tests that allocas after coro.begin are properly that do not need to 2; live on the frame are properly moved to the .resume function. 3; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s 4 5define ptr @f() presplitcoroutine { 6entry: 7 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null) 8 %size = call i32 @llvm.coro.size.i32() 9 %alloc = call ptr @malloc(i32 %size) 10 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc) 11 %x = alloca i32 12 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false) 13 switch i8 %sp1, label %suspend [i8 0, label %resume 14 i8 1, label %cleanup] 15resume: 16 %x.value = load i32, ptr %x 17 call void @print(i32 %x.value) 18 br label %cleanup 19 20cleanup: 21 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl) 22 call void @free(ptr %mem) 23 br label %suspend 24 25suspend: 26 call i1 @llvm.coro.end(ptr %hdl, i1 0, token none) 27 ret ptr %hdl 28} 29 30; CHECK-LABEL: @f.resume( 31; CHECK-NEXT: entry.resume: 32; CHECK-NEXT: [[X:%.*]] = alloca i32, align 4 33; CHECK: [[X_VALUE:%.*]] = load i32, ptr [[X]], align 4 34; CHECK-NEXT: call void @print(i32 [[X_VALUE]]) 35; CHECK: call void @free(ptr [[FRAMEPTR:%.*]]) 36; CHECK: ret void 37 38declare ptr @llvm.coro.free(token, ptr) 39declare i32 @llvm.coro.size.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 @print(i32) 50declare noalias ptr @malloc(i32) 51declare void @free(ptr) 52