| ; RUN: opt -S -sroa %s | FileCheck %s |
| |
| ; SROA should correctly offset `!tbaa.struct` metadata |
| |
| %struct.Wishart = type { double, i32 } |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* writeonly, i8* readonly, i64, i1 immarg) |
| declare double @subcall(double %g, i32 %m) |
| |
| define double @bar(%struct.Wishart* %wishart) { |
| %tmp = alloca %struct.Wishart, align 8 |
| %tmpaddr = bitcast %struct.Wishart* %tmp to i8* |
| %waddr = bitcast %struct.Wishart* %wishart to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmpaddr, i8* align 8 %waddr, i64 16, i1 false), !tbaa.struct !2 |
| %gamma = getelementptr inbounds %struct.Wishart, %struct.Wishart* %tmp, i32 0, i32 0 |
| %lg = load double, double* %gamma, align 8, !tbaa !4 |
| %m = getelementptr inbounds %struct.Wishart, %struct.Wishart* %tmp, i32 0, i32 1 |
| %lm = load i32, i32* %m, align 8, !tbaa !8 |
| %call = call double @subcall(double %lg, i32 %lm) |
| ret double %call |
| } |
| |
| !2 = !{i64 0, i64 8, !3, i64 8, i64 4, !7} |
| !3 = !{!4, !4, i64 0} |
| !4 = !{!"double", !5, i64 0} |
| !5 = !{!"omnipotent char", !6, i64 0} |
| !6 = !{!"Simple C++ TBAA"} |
| !7 = !{!8, !8, i64 0} |
| !8 = !{!"int", !5, i64 0} |
| |
| ; CHECK: define double @bar(%struct.Wishart* %wishart) { |
| ; CHECK-NEXT: %tmp.sroa.3 = alloca [4 x i8], align 4 |
| ; CHECK-NEXT: %tmp.sroa.0.0.waddr.sroa_idx = getelementptr inbounds %struct.Wishart, %struct.Wishart* %wishart, i64 0, i32 0 |
| ; CHECK-NEXT: %tmp.sroa.0.0.copyload = load double, double* %tmp.sroa.0.0.waddr.sroa_idx, align 8, !tbaa.struct !0 |
| ; CHECK-NEXT: %tmp.sroa.2.0.waddr.sroa_idx1 = getelementptr inbounds %struct.Wishart, %struct.Wishart* %wishart, i64 0, i32 1 |
| ; CHECK-NEXT: %tmp.sroa.2.0.copyload = load i32, i32* %tmp.sroa.2.0.waddr.sroa_idx1, align 8, !tbaa.struct !7 |
| ; CHECK-NEXT: %tmp.sroa.3.0.waddr.sroa_raw_cast = bitcast %struct.Wishart* %wishart to i8* |
| ; CHECK-NEXT: %tmp.sroa.3.0.waddr.sroa_raw_idx = getelementptr inbounds i8, i8* %tmp.sroa.3.0.waddr.sroa_raw_cast, i64 12 |
| ; CHECK-NEXT: %[[sroa_idx:.+]] = getelementptr inbounds [4 x i8], [4 x i8]* %tmp.sroa.3, i64 0, i64 0 |
| ; 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 |
| ; CHECK-NEXT: %call = call double @subcall(double %tmp.sroa.0.0.copyload, i32 %tmp.sroa.2.0.copyload) |
| ; CHECK-NEXT: ret double %call |
| ; CHECK-NEXT: } |
| |
| ; CHECK: !0 = !{i64 0, i64 8, !1, i64 8, i64 4, !5} |
| ; CHECK: !1 = !{!2, !2, i64 0} |
| ; CHECK: !2 = !{!"double", !{{[0-9]+}}, i64 0} |
| |
| ; CHECK: !5 = !{!6, !6, i64 0} |
| ; CHECK: !6 = !{!"int", !{{[0-9]+}}, i64 0} |
| ; CHECK: !7 = !{i64 0, i64 4, !5} |
| ; CHECK: !8 = !{} |