21 lines · plain
1; RUN: opt -passes=instcombine -S < %s | FileCheck %s2 3target datalayout = "e-m:e-p:64:64:64-i64:64-f80:128-n8:16:32:64-S128"4 5; CHECK-LABEL: @test_load_load_combine_metadata(6; Check that dereferenceable_or_null metadata is combined7; CHECK: load ptr, ptr %08; CHECK-SAME: !dereferenceable_or_null ![[DEREF:[0-9]+]]9define void @test_load_load_combine_metadata(ptr, ptr, ptr) {10 %a = load ptr, ptr %0, !dereferenceable_or_null !011 %b = load ptr, ptr %0, !dereferenceable_or_null !112 store i32 0, ptr %a13 store i32 0, ptr %b14 ret void15}16 17; CHECK: ![[DEREF]] = !{i64 4}18 19!0 = !{i64 4}20!1 = !{i64 8}21