xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/same-scalar-in-same-phi-extract.ll (revision 7773243d9916f98ba0ffce0c3a960e4aa9f03e81)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -slp-threshold=-99999 -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s %}
3; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -slp-threshold=-99999 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s %}
4
5define void @test(i32 %arg) {
6; CHECK-LABEL: define void @test(
7; CHECK-SAME: i32 [[ARG:%.*]]) {
8; CHECK-NEXT:  bb:
9; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <2 x i32> <i32 poison, i32 0>, i32 [[ARG]], i32 0
10; CHECK-NEXT:    br label [[BB2:%.*]]
11; CHECK:       bb2:
12; CHECK-NEXT:    switch i32 0, label [[BB10:%.*]] [
13; CHECK-NEXT:      i32 0, label [[BB9:%.*]]
14; CHECK-NEXT:      i32 11, label [[BB9]]
15; CHECK-NEXT:      i32 1, label [[BB4:%.*]]
16; CHECK-NEXT:    ]
17; CHECK:       bb3:
18; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x i32> [[TMP0]], i32 0
19; CHECK-NEXT:    [[TMP2:%.*]] = zext i32 [[TMP1]] to i64
20; CHECK-NEXT:    switch i32 0, label [[BB10]] [
21; CHECK-NEXT:      i32 18, label [[BB7:%.*]]
22; CHECK-NEXT:      i32 1, label [[BB7]]
23; CHECK-NEXT:      i32 0, label [[BB10]]
24; CHECK-NEXT:    ]
25; CHECK:       bb4:
26; CHECK-NEXT:    [[TMP3:%.*]] = phi <2 x i32> [ [[TMP0]], [[BB2]] ]
27; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x i32> [[TMP3]], i32 0
28; CHECK-NEXT:    [[TMP5:%.*]] = zext i32 [[TMP4]] to i64
29; CHECK-NEXT:    [[GETELEMENTPTR:%.*]] = getelementptr i32, ptr null, i64 [[TMP5]]
30; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <2 x i32> [[TMP3]], i32 1
31; CHECK-NEXT:    [[TMP6:%.*]] = zext i32 [[TMP7]] to i64
32; CHECK-NEXT:    [[GETELEMENTPTR6:%.*]] = getelementptr i32, ptr null, i64 [[TMP6]]
33; CHECK-NEXT:    ret void
34; CHECK:       bb7:
35; CHECK-NEXT:    [[PHI8:%.*]] = phi i64 [ [[TMP2]], [[BB3:%.*]] ], [ [[TMP2]], [[BB3]] ]
36; CHECK-NEXT:    br label [[BB9]]
37; CHECK:       bb9:
38; CHECK-NEXT:    ret void
39; CHECK:       bb10:
40; CHECK-NEXT:    ret void
41;
42bb:
43  %zext = zext i32 %arg to i64
44  %zext1 = zext i32 0 to i64
45  br label %bb2
46
47bb2:
48  switch i32 0, label %bb10 [
49  i32 0, label %bb9
50  i32 11, label %bb9
51  i32 1, label %bb4
52  ]
53
54bb3:
55  switch i32 0, label %bb10 [
56  i32 18, label %bb7
57  i32 1, label %bb7
58  i32 0, label %bb10
59  ]
60
61bb4:
62  %phi = phi i64 [ %zext, %bb2 ]
63  %phi5 = phi i64 [ %zext1, %bb2 ]
64  %getelementptr = getelementptr i32, ptr null, i64 %phi
65  %getelementptr6 = getelementptr i32, ptr null, i64 %phi5
66  ret void
67
68bb7:
69  %phi8 = phi i64 [ %zext, %bb3 ], [ %zext, %bb3 ]
70  br label %bb9
71
72bb9:
73  ret void
74
75bb10:
76  ret void
77}
78