| ; 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 |
| |
| ; CHECK-LABEL: @foo( |
| ; CHECK: ret i8* @g0 |
| |
| define internal i8* @foo() { |
| ret i8* @g0 |
| } |
| |
| ; CHECK-LABEL: @test( |
| ; CHECK: %[[R:.*]] = call i8* @foo() |
| ; CHECK call void (...) @llvm.objc.clang.arc.noop.use(i8* %[[R]]) |
| |
| define void @test() { |
| %r = call i8* @foo() [ "clang.arc.attachedcall"(i8* (i8*)* @llvm.objc.unsafeClaimAutoreleasedReturnValue) ] |
| call void (...) @llvm.objc.clang.arc.noop.use(i8* %r) |
| ret void |
| } |
| |
| declare i8* @llvm.objc.unsafeClaimAutoreleasedReturnValue(i8*) |
| declare void @llvm.objc.clang.arc.noop.use(...) |
