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1; REQUIRES: webassembly-registered-target2;3; Tests that we wouldn't convert coro.resume to a musttail call if the target is4; Wasm64.5; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s6 7target triple = "wasm64-unknown-unknown"8 9define void @f() #0 {10entry:11 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)12 %alloc = call ptr @malloc(i64 16) #313 %vFrame = call noalias nonnull ptr @llvm.coro.begin(token %id, ptr %alloc)14 15 %save = call token @llvm.coro.save(ptr null)16 %addr1 = call ptr @llvm.coro.subfn.addr(ptr null, i8 0)17 call fastcc void %addr1(ptr null)18 19 %suspend = call i8 @llvm.coro.suspend(token %save, i1 false)20 switch i8 %suspend, label %exit [21 i8 0, label %await.ready22 i8 1, label %exit23 ]24await.ready:25 %save2 = call token @llvm.coro.save(ptr null)26 %addr2 = call ptr @llvm.coro.subfn.addr(ptr null, i8 0)27 call fastcc void %addr2(ptr null)28 29 %suspend2 = call i8 @llvm.coro.suspend(token %save2, i1 false)30 switch i8 %suspend2, label %exit [31 i8 0, label %exit32 i8 1, label %exit33 ]34exit:35 call void @llvm.coro.end(ptr null, i1 false, token none)36 ret void37}38 39; CHECK-NOT: musttail40 41declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr) #142declare i1 @llvm.coro.alloc(token) #243declare i64 @llvm.coro.size.i64() #344declare ptr @llvm.coro.begin(token, ptr writeonly) #245declare token @llvm.coro.save(ptr) #246declare ptr @llvm.coro.frame() #347declare i8 @llvm.coro.suspend(token, i1) #248declare ptr @llvm.coro.free(token, ptr nocapture readonly) #149declare void @llvm.coro.end(ptr, i1, token) #250declare ptr @llvm.coro.subfn.addr(ptr nocapture readonly, i8) #151declare ptr @malloc(i64)52declare void @print()53 54attributes #0 = { presplitcoroutine }55attributes #1 = { argmemonly nounwind readonly }56attributes #2 = { nounwind }57attributes #3 = { nounwind readnone }58