| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=ipsccp -S | FileCheck %s |
| ; Return value can't be zapped if there is a call that has operand bundle |
| ; "clang.arc.attachedcall". |
| |
| @g0 = global i8 zeroinitializer, align 1 |
| |
| define internal ptr @foo() { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: ret ptr @g0 |
| ; |
| ret ptr @g0 |
| } |
| |
| define void @test() { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: [[R:%.*]] = call ptr @foo() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ] |
| ; CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use(ptr [[R]]) |
| ; CHECK-NEXT: ret void |
| ; |
| %r = call ptr @foo() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ] |
| call void (...) @llvm.objc.clang.arc.noop.use(ptr %r) |
| ret void |
| } |
| |
| declare ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue(ptr) |
| declare void @llvm.objc.clang.arc.noop.use(...) |