xref: /llvm-project/llvm/test/Transforms/SROA/pr57796.ll (revision b7e4fba6e5dcae5ff51f8eced21470a1b3ccd895)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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%struct.Value = type { %union.anon }
6%union.anon = type { <32 x i8> }
7
8@A = dso_local global i64 0, align 8
9
10; Make sure that sroa does not crash when dealing with an invalid vector
11; element type.
12define void @foo() {
13; CHECK-LABEL: @foo(
14; CHECK-NEXT:  entry:
15; CHECK-NEXT:    [[REF_TMP_I:%.*]] = alloca [[STRUCT_VALUE:%.*]], align 32
16; CHECK-NEXT:    call void @value_create(ptr sret([[STRUCT_VALUE]]) align 32 [[REF_TMP_I]])
17; CHECK-NEXT:    [[CALL_I:%.*]] = call align 32 ptr @value_set_type(ptr align 32 [[REF_TMP_I]])
18; CHECK-NEXT:    [[TMP0:%.*]] = load <32 x i8>, ptr [[CALL_I]], align 32
19; CHECK-NEXT:    [[REF_TMP_SROA_0_0_VEC_EXTRACT:%.*]] = shufflevector <32 x i8> [[TMP0]], <32 x i8> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
20; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <8 x i8> [[REF_TMP_SROA_0_0_VEC_EXTRACT]] to <1 x i64>
21; CHECK-NEXT:    [[TMP2:%.*]] = call <1 x i64> @llvm.x86.sse.pshuf.w(<1 x i64> [[TMP1]], i8 0)
22; CHECK-NEXT:    store <1 x i64> [[TMP2]], ptr @A, align 8
23; CHECK-NEXT:    ret void
24;
25entry:
26  %ref.tmp.i = alloca %struct.Value, align 32
27  %ref.tmp = alloca %struct.Value, align 32
28  call void @value_create(ptr sret(%struct.Value) align 32 %ref.tmp.i)
29  %call.i = call align 32 ptr @value_set_type(ptr align 32 %ref.tmp.i)
30  %0 = load <32 x i8>, ptr %call.i, align 32
31  store <32 x i8> %0, ptr %ref.tmp, align 32
32  %1 = load <1 x i64>, ptr %ref.tmp, align 32
33  %2 = call <1 x i64> @llvm.x86.sse.pshuf.w(<1 x i64> %1, i8 0)
34  store <1 x i64> %2, ptr @A, align 8
35  ret void
36}
37
38declare <1 x i64> @llvm.x86.sse.pshuf.w(<1 x i64>, i8 immarg)
39
40declare dso_local void @value_create(ptr sret(%struct.Value) align 32)
41
42declare dso_local align 32 ptr @value_set_type(ptr align 32)
43
44;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
45; CHECK-MODIFY-CFG: {{.*}}
46; CHECK-PRESERVE-CFG: {{.*}}
47