1; RUN: opt -S -sroa %s | FileCheck %s 2 3; SROA should correctly offset `!tbaa.struct` metadata 4 5%struct.Wishart = type { double, i32 } 6declare void @llvm.memcpy.p0i8.p0i8.i64(i8* writeonly, i8* readonly, i64, i1 immarg) 7declare double @subcall(double %g, i32 %m) 8 9define double @bar(%struct.Wishart* %wishart) { 10 %tmp = alloca %struct.Wishart, align 8 11 %tmpaddr = bitcast %struct.Wishart* %tmp to i8* 12 %waddr = bitcast %struct.Wishart* %wishart to i8* 13 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmpaddr, i8* align 8 %waddr, i64 16, i1 false), !tbaa.struct !2 14 %gamma = getelementptr inbounds %struct.Wishart, %struct.Wishart* %tmp, i32 0, i32 0 15 %lg = load double, double* %gamma, align 8, !tbaa !4 16 %m = getelementptr inbounds %struct.Wishart, %struct.Wishart* %tmp, i32 0, i32 1 17 %lm = load i32, i32* %m, align 8, !tbaa !8 18 %call = call double @subcall(double %lg, i32 %lm) 19 ret double %call 20} 21 22!2 = !{i64 0, i64 8, !3, i64 8, i64 4, !7} 23!3 = !{!4, !4, i64 0} 24!4 = !{!"double", !5, i64 0} 25!5 = !{!"omnipotent char", !6, i64 0} 26!6 = !{!"Simple C++ TBAA"} 27!7 = !{!8, !8, i64 0} 28!8 = !{!"int", !5, i64 0} 29 30; CHECK: define double @bar(%struct.Wishart* %wishart) { 31; CHECK-NEXT: %tmp.sroa.3 = alloca [4 x i8], align 4 32; CHECK-NEXT: %tmp.sroa.0.0.waddr.sroa_idx = getelementptr inbounds %struct.Wishart, %struct.Wishart* %wishart, i64 0, i32 0 33; CHECK-NEXT: %tmp.sroa.0.0.copyload = load double, double* %tmp.sroa.0.0.waddr.sroa_idx, align 8, !tbaa.struct !0 34; CHECK-NEXT: %tmp.sroa.2.0.waddr.sroa_idx1 = getelementptr inbounds %struct.Wishart, %struct.Wishart* %wishart, i64 0, i32 1 35; CHECK-NEXT: %tmp.sroa.2.0.copyload = load i32, i32* %tmp.sroa.2.0.waddr.sroa_idx1, align 8, !tbaa.struct !7 36; CHECK-NEXT: %tmp.sroa.3.0.waddr.sroa_raw_cast = bitcast %struct.Wishart* %wishart to i8* 37; CHECK-NEXT: %tmp.sroa.3.0.waddr.sroa_raw_idx = getelementptr inbounds i8, i8* %tmp.sroa.3.0.waddr.sroa_raw_cast, i64 12 38; CHECK-NEXT: %[[sroa_idx:.+]] = getelementptr inbounds [4 x i8], [4 x i8]* %tmp.sroa.3, i64 0, i64 0 39; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %[[sroa_idx]], i8* align 4 %tmp.sroa.3.0.waddr.sroa_raw_idx, i64 4, i1 false), !tbaa.struct !8 40; CHECK-NEXT: %call = call double @subcall(double %tmp.sroa.0.0.copyload, i32 %tmp.sroa.2.0.copyload) 41; CHECK-NEXT: ret double %call 42; CHECK-NEXT: } 43 44; CHECK: !0 = !{i64 0, i64 8, !1, i64 8, i64 4, !5} 45; CHECK: !1 = !{!2, !2, i64 0} 46; CHECK: !2 = !{!"double", !{{[0-9]+}}, i64 0} 47 48; CHECK: !5 = !{!6, !6, i64 0} 49; CHECK: !6 = !{!"int", !{{[0-9]+}}, i64 0} 50; CHECK: !7 = !{i64 0, i64 4, !5} 51; CHECK: !8 = !{} 52