1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s 2 3 declare void @bar(i32*) 4 declare void @baz(i32*) 5 6 ; CHECK-LABEL: @test_load_combine_metadata( 7 ; Check that dereferenceable_or_null metadata is combined 8 ; CHECK: load i32*, i32** %p 9 ; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]] 10 ; CHECK: t: 11 ; CHECK: f: 12 define void @test_load_combine_metadata(i1 %c, i32** %p) { 13 br i1 %c, label %t, label %f 14 15 t: 16 %v1 = load i32*, i32** %p, !dereferenceable_or_null !0 17 call void @bar(i32* %v1) 18 br label %cont 19 20 f: 21 %v2 = load i32*, i32** %p, !dereferenceable_or_null !1 22 call void @baz(i32* %v2) 23 br label %cont 24 25 cont: 26 ret void 27 } 28 29 ; CHECK: ![[DEREF]] = !{i64 8} 30 31 !0 = !{i64 8} 32 !1 = !{i64 16} 33
