xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/slp-max-reg-size.ll (revision 580210a0c938531ef9fd79f9ffedb93eeb2e66c2) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=8 -slp-min-reg-size=32 -slp-max-reg-size=160 -S | FileCheck  -check-prefix CHECK-VF8-160 %s
3; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=4 -slp-min-reg-size=32 -slp-max-reg-size=160 -S | FileCheck  -check-prefix CHECK-VF4-160 %s
4; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=2 -slp-min-reg-size=32 -slp-max-reg-size=160 -S | FileCheck  -check-prefix CHECK-VF2-160 %s
5; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=8 -slp-min-reg-size=32 -slp-max-reg-size=128 -S | FileCheck -check-prefix CHECK-VF8-128 %s
6; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=4 -slp-min-reg-size=32 -slp-max-reg-size=128 -S | FileCheck -check-prefix CHECK-VF4-128 %s
7; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=2 -slp-min-reg-size=32 -slp-max-reg-size=128 -S | FileCheck -check-prefix CHECK-VF2-128 %s
8; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=8 -slp-min-reg-size=32 -slp-max-reg-size=256 -S | FileCheck -check-prefix CHECK-VF8-256 %s
9; RUN: opt < %s -passes=slp-vectorizer -slp-max-vf=2 -slp-min-reg-size=128 -slp-max-reg-size=128 -S | FileCheck -check-prefix CHECK-VF2-128-128 %s
10
11; This test case is checking if max register size (and max VF) is honored when
12; vecorizing store chains in SLPVectorizer.
13
14@X = external global [8 x i32], align 1
15
16define void @foo() {
17; CHECK-VF8-160-LABEL: @foo(
18; CHECK-VF8-160-NEXT:    store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, ptr @X, align 1
19; CHECK-VF8-160-NEXT:    store <4 x i32> <i32 5, i32 6, i32 7, i32 8>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
20; CHECK-VF8-160-NEXT:    ret void
21;
22; CHECK-VF4-160-LABEL: @foo(
23; CHECK-VF4-160-NEXT:    store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, ptr @X, align 1
24; CHECK-VF4-160-NEXT:    store <4 x i32> <i32 5, i32 6, i32 7, i32 8>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
25; CHECK-VF4-160-NEXT:    ret void
26;
27; CHECK-VF2-160-LABEL: @foo(
28; CHECK-VF2-160-NEXT:    store <2 x i32> <i32 1, i32 2>, ptr @X, align 1
29; CHECK-VF2-160-NEXT:    store <2 x i32> <i32 3, i32 4>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 2), align 1
30; CHECK-VF2-160-NEXT:    store <2 x i32> <i32 5, i32 6>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
31; CHECK-VF2-160-NEXT:    store <2 x i32> <i32 7, i32 8>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 6), align 1
32; CHECK-VF2-160-NEXT:    ret void
33;
34; CHECK-VF8-128-LABEL: @foo(
35; CHECK-VF8-128-NEXT:    store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, ptr @X, align 1
36; CHECK-VF8-128-NEXT:    store <4 x i32> <i32 5, i32 6, i32 7, i32 8>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
37; CHECK-VF8-128-NEXT:    ret void
38;
39; CHECK-VF4-128-LABEL: @foo(
40; CHECK-VF4-128-NEXT:    store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, ptr @X, align 1
41; CHECK-VF4-128-NEXT:    store <4 x i32> <i32 5, i32 6, i32 7, i32 8>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
42; CHECK-VF4-128-NEXT:    ret void
43;
44; CHECK-VF2-128-LABEL: @foo(
45; CHECK-VF2-128-NEXT:    store <2 x i32> <i32 1, i32 2>, ptr @X, align 1
46; CHECK-VF2-128-NEXT:    store <2 x i32> <i32 3, i32 4>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 2), align 1
47; CHECK-VF2-128-NEXT:    store <2 x i32> <i32 5, i32 6>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
48; CHECK-VF2-128-NEXT:    store <2 x i32> <i32 7, i32 8>, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 6), align 1
49; CHECK-VF2-128-NEXT:    ret void
50;
51; CHECK-VF8-256-LABEL: @foo(
52; CHECK-VF8-256-NEXT:    store <8 x i32> <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>, ptr @X, align 1
53; CHECK-VF8-256-NEXT:    ret void
54;
55; CHECK-VF2-128-128-LABEL: @foo(
56; CHECK-VF2-128-128-NEXT:    store i32 1, ptr @X, align 1
57; CHECK-VF2-128-128-NEXT:    store i32 2, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 1), align 1
58; CHECK-VF2-128-128-NEXT:    store i32 3, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 2), align 1
59; CHECK-VF2-128-128-NEXT:    store i32 4, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 3), align 1
60; CHECK-VF2-128-128-NEXT:    store i32 5, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
61; CHECK-VF2-128-128-NEXT:    store i32 6, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 5), align 1
62; CHECK-VF2-128-128-NEXT:    store i32 7, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 6), align 1
63; CHECK-VF2-128-128-NEXT:    store i32 8, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 7), align 1
64; CHECK-VF2-128-128-NEXT:    ret void
65;
66  store i32 1, ptr @X, align 1
67  store i32 2, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 1), align 1
68  store i32 3, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 2), align 1
69  store i32 4, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 3), align 1
70  store i32 5, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 4), align 1
71  store i32 6, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 5), align 1
72  store i32 7, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 6), align 1
73  store i32 8, ptr getelementptr inbounds ([8 x i32], ptr @X, i16 0, i16 7), align 1
74  ret void
75}
76