xref: /llvm-project/llvm/test/Transforms/SROA/tbaa-struct2.ll (revision dc85719d5b4dfca528d81892eb3c853581094070)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
2; RUN: opt -S -passes='sroa<preserve-cfg>' %s | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
3; RUN: opt -S -passes='sroa<modify-cfg>' %s | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
4
5; SROA should correctly offset `!tbaa.struct` metadata
6
7%struct.Wishart = type { double, i32 }
8declare void @llvm.memcpy.p0.p0.i64(ptr writeonly, ptr readonly, i64, i1 immarg)
9declare double @subcall(double %g, i32 %m)
10
11define double @bar(ptr %wishart) {
12; CHECK-LABEL: @bar(
13; CHECK-NEXT:    [[TMP_SROA_3:%.*]] = alloca [4 x i8], align 4
14; CHECK-NEXT:    [[TMP_SROA_0_0_COPYLOAD:%.*]] = load double, ptr [[WISHART:%.*]], align 8, !tbaa [[TBAA0:![0-9]+]]
15; CHECK-NEXT:    [[TMP_SROA_2_0_WISHART_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[WISHART]], i64 8
16; CHECK-NEXT:    [[TMP_SROA_2_0_COPYLOAD:%.*]] = load i32, ptr [[TMP_SROA_2_0_WISHART_SROA_IDX]], align 8, !tbaa [[TBAA4:![0-9]+]]
17; CHECK-NEXT:    [[TMP_SROA_3_0_WISHART_SROA_IDX:%.*]] = getelementptr inbounds i8, ptr [[WISHART]], i64 12
18; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 4 [[TMP_SROA_3]], ptr align 4 [[TMP_SROA_3_0_WISHART_SROA_IDX]], i64 4, i1 false), !tbaa.struct [[TBAA_STRUCT6:![0-9]+]]
19; CHECK-NEXT:    [[CALL:%.*]] = call double @subcall(double [[TMP_SROA_0_0_COPYLOAD]], i32 [[TMP_SROA_2_0_COPYLOAD]])
20; CHECK-NEXT:    ret double [[CALL]]
21;
22  %tmp = alloca %struct.Wishart, align 8
23  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %tmp, ptr align 8 %wishart, i64 16, i1 false), !tbaa.struct !2
24  %lg = load double, ptr %tmp, align 8, !tbaa !4
25  %m = getelementptr inbounds %struct.Wishart, ptr %tmp, i32 0, i32 1
26  %lm = load i32, ptr %m, align 8, !tbaa !8
27  %call = call double @subcall(double %lg, i32 %lm)
28  ret double %call
29}
30
31!2 = !{i64 0, i64 8, !3, i64 8, i64 4, !7}
32!3 = !{!4, !4, i64 0}
33!4 = !{!"double", !5, i64 0}
34!5 = !{!"omnipotent char", !6, i64 0}
35!6 = !{!"Simple C++ TBAA"}
36!7 = !{!8, !8, i64 0}
37!8 = !{!"int", !5, i64 0}
38;.
39; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
40;.
41; CHECK: [[TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
42; CHECK: [[META1]] = !{!"double", [[META2:![0-9]+]], i64 0}
43; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
44; CHECK: [[META3]] = !{!"Simple C++ TBAA"}
45; CHECK: [[TBAA4]] = !{[[META5:![0-9]+]], [[META5]], i64 0}
46; CHECK: [[META5]] = !{!"int", [[META2]], i64 0}
47; CHECK: [[TBAA_STRUCT6]] = !{}
48;.
49;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
50; CHECK-MODIFY-CFG: {{.*}}
51; CHECK-PRESERVE-CFG: {{.*}}
52