1; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=load-store-vectorizer -S < %s | \ 2; RUN: FileCheck %s 3; RUN: opt -mtriple=x86_64-unknown-linux-gnu -aa-pipeline=basic-aa -passes='function(load-store-vectorizer)' -S < %s | \ 4; RUN: FileCheck %s 5; 6; The GPU Load & Store Vectorizer may merge differently-typed accesses into a 7; single instruction. This test checks that we merge TBAA tags for such 8; accesses correctly. 9 10target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 11 12; struct S { 13; float f; 14; int i; 15; }; 16%struct.S = type { float, i32 } 17 18; float foo(S *p) { 19; p->f -= 1; 20; p->i -= 1; 21; return p->f; 22; } 23define float @foo(ptr %p) { 24entry: 25; CHECK-LABEL: foo 26; CHECK: load <2 x i32>, {{.*}}, !tbaa [[TAG_char:!.*]] 27; CHECK: store <2 x i32> {{.*}}, !tbaa [[TAG_char]] 28 %0 = load float, ptr %p, align 4, !tbaa !2 29 %sub = fadd float %0, -1.000000e+00 30 store float %sub, ptr %p, align 4, !tbaa !2 31 %i = getelementptr inbounds %struct.S, ptr %p, i64 0, i32 1 32 %1 = load i32, ptr %i, align 4, !tbaa !8 33 %sub1 = add nsw i32 %1, -1 34 store i32 %sub1, ptr %i, align 4, !tbaa !8 35 ret float %sub 36} 37 38!2 = !{!3, !4, i64 0} 39!3 = !{!"_ZTS1S", !4, i64 0, !7, i64 4} 40!4 = !{!"float", !5, i64 0} 41!5 = !{!"omnipotent char", !6, i64 0} 42!6 = !{!"Simple C++ TBAA"} 43!7 = !{!"int", !5, i64 0} 44!8 = !{!3, !7, i64 4} 45 46; CHECK-DAG: [[TYPE_char:!.*]] = !{!"omnipotent char", {{.*}}, i64 0} 47; CHECK-DAG: [[TAG_char]] = !{[[TYPE_char]], [[TYPE_char]], i64 0} 48