[PATCH] D34194: [coroutines] Allow co_await and co_yield expressions that return an lvalue to compile

Eric Fiselier via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu Jun 15 11:44:41 PDT 2017

EricWF marked 2 inline comments as done.
EricWF added inline comments.

Comment at: test/CodeGenCoroutines/coro-await.cpp:310
+  int& x = co_await a;
+  // CHECK: await2.ready:
+  // CHECK-NEXT: %[[RES2:.+]] = call dereferenceable(4) i32* @_ZN24AwaitResumeReturnsLValue12await_resumeEv(%struct.AwaitResumeReturnsLValue* %ref.tmp{{.+}})
GorNishanov wrote:
> In release compiler, labels won't have friendly names. //CHECK: await2.ready will fail
I'm not sure I understand. Are you saying that Clang generates different IR depending on how it's built (ie release vs debug)? 


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