xref: /llvm-project/llvm/test/Transforms/InferAlignment/irregular-size.ll (revision 0f152a55d3e4e71f7c795bf555e40c8895b97077)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt < %s -passes=infer-alignment -S | FileCheck %s
3
4define void @non_pow2_size(i177 %X) {
5; CHECK-LABEL: define void @non_pow2_size
6; CHECK-SAME: (i177 [[X:%.*]]) {
7; CHECK-NEXT:    [[A:%.*]] = alloca i177, align 8
8; CHECK-NEXT:    [[L1:%.*]] = load i177, ptr [[A]], align 8
9; CHECK-NEXT:    store i177 [[X]], ptr [[A]], align 8
10; CHECK-NEXT:    ret void
11;
12  %A = alloca i177, align 1
13  %L1 = load i177, ptr %A, align 1
14  store i177 %X, ptr %A, align 1
15  ret void
16}
17
18; TODO: For non-byte-sized vectors, current implementation assumes there is
19; padding to the next byte boundary between elements.
20@vector_i4 = constant [16 x <2 x i4>] zeroinitializer, align 8
21
22define void @load_vector_i4(i4 %X) {
23; CHECK-LABEL: define void @load_vector_i4
24; CHECK-SAME: (i4 [[X:%.*]]) {
25; CHECK-NEXT:    [[PTR_0:%.*]] = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 1
26; CHECK-NEXT:    [[PTR_1:%.*]] = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 2
27; CHECK-NEXT:    [[PTR_2:%.*]] = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 4
28; CHECK-NEXT:    [[PTR_3:%.*]] = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 8
29; CHECK-NEXT:    [[RES_0:%.*]] = load i4, ptr [[PTR_0]], align 1
30; CHECK-NEXT:    [[RES_1:%.*]] = load i4, ptr [[PTR_1]], align 2
31; CHECK-NEXT:    [[RES_2:%.*]] = load i4, ptr [[PTR_2]], align 4
32; CHECK-NEXT:    [[RES_3:%.*]] = load i4, ptr [[PTR_3]], align 8
33; CHECK-NEXT:    store i4 [[X]], ptr [[PTR_0]], align 1
34; CHECK-NEXT:    store i4 [[X]], ptr [[PTR_1]], align 2
35; CHECK-NEXT:    store i4 [[X]], ptr [[PTR_2]], align 4
36; CHECK-NEXT:    store i4 [[X]], ptr [[PTR_3]], align 8
37; CHECK-NEXT:    ret void
38;
39  %ptr.0 = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 1
40  %ptr.1 = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 2
41  %ptr.2 = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 4
42  %ptr.3 = getelementptr [16 x <2 x i4>], ptr @vector_i4, i64 0, i64 8
43
44  %res.0 = load i4, ptr %ptr.0, align 1
45  %res.1 = load i4, ptr %ptr.1, align 1
46  %res.2 = load i4, ptr %ptr.2, align 1
47  %res.3 = load i4, ptr %ptr.3, align 1
48
49  store i4 %X, ptr %ptr.0, align 1
50  store i4 %X, ptr %ptr.1, align 1
51  store i4 %X, ptr %ptr.2, align 1
52  store i4 %X, ptr %ptr.3, align 1
53
54  ret void
55}
56