xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/phis-different-order.ll (revision 395c11f7b82f68b62ff329bb1849b363929e1408)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt -passes=slp-vectorizer -S < %s -mcpu=pentium4 -mtriple=i386-pc-windows-msvc19.16.0 | FileCheck %s
3
4define ptr @test()  {
5; CHECK-LABEL: define ptr @test
6; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
9; CHECK:       for.body:
10; CHECK-NEXT:    [[PC:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ 0, [[BB:%.*]] ]
11; CHECK-NEXT:    br i1 false, label [[FOR_INC:%.*]], label [[BB2:%.*]]
12; CHECK:       for.inc:
13; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <2 x i64> <i64 0, i64 poison>, i64 [[PC]], i32 1
14; CHECK-NEXT:    br i1 false, label [[BB2]], label [[BB]]
15; CHECK:       bb:
16; CHECK-NEXT:    br i1 false, label [[BB2]], label [[FOR_BODY]]
17; CHECK:       bb1:
18; CHECK-NEXT:    br label [[BB2]]
19; CHECK:       bb2:
20; CHECK-NEXT:    [[TMP1:%.*]] = phi <2 x i64> [ poison, [[BB1:%.*]] ], [ [[TMP0]], [[BB]] ], [ [[TMP0]], [[FOR_INC]] ], [ zeroinitializer, [[FOR_BODY]] ]
21; CHECK-NEXT:    store <2 x i64> [[TMP1]], ptr getelementptr inbounds ([7 x i64], ptr null, i32 0, i32 2), align 8
22; CHECK-NEXT:    ret ptr null
23;
24entry:
25  br label %for.body
26
27for.body:
28  %pc = phi i64 [ 0, %entry ], [ 0, %bb ]
29  br i1 false, label %for.inc, label %bb2
30
31for.inc:
32  br i1 false, label %bb2, label %bb
33
34bb:
35  br i1 false, label %bb2, label %for.body
36
37bb1:
38  br label %bb2
39
40bb2:
41  %ph1 = phi i64 [ 0, %bb1 ], [ 0, %bb ], [ 0, %for.inc ], [ 0, %for.body ]
42  %ph2 = phi i64 [ 0, %bb1 ], [ 0, %for.body ], [ %pc, %bb ], [ %pc, %for.inc ]
43  store i64 %ph1, ptr getelementptr inbounds ([7 x i64], ptr null, i32 0, i32 2), align 8
44  store i64 %ph2, ptr getelementptr inbounds ([7 x i64], ptr null, i32 0, i32 3), align 8
45  ret ptr null
46}
47
48