1 ; RUN: opt -S -globalopt < %s | FileCheck %s 2 3 ; PR6112 - When globalopt does RAUW(@G, %G), the metadata reference should drop 4 ; to null. Function local metadata that references @G from a different function 5 ; to that containing %G should likewise drop to null. 6 @G = internal global i8** null 7 8 define i32 @main(i32 %argc, i8** %argv) { 9 ; CHECK: @main 10 ; CHECK: %G = alloca 11 store i8** %argv, i8*** @G 12 ret i32 0 13 } 14 15 define void @foo(i32 %x) { 16 call void @llvm.foo(metadata !{i8*** @G, i32 %x}) 17 ; CHECK: call void @llvm.foo(metadata !{null, i32 %x}) 18 ret void 19 } 20 21 declare void @llvm.foo(metadata) nounwind readnone 22 23 !named = !{!0} 24 25 !0 = metadata !{i8*** @G} 26 ; CHECK: !0 = metadata !{null} 27
