1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2 ; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu -slp-threshold=-99999 < %s | FileCheck %s
5 ; CHECK-LABEL: define void @test() {
6 ; CHECK-NEXT: [[BB:.*]]:
7 ; CHECK-NEXT: br label %[[BB1:.*]]
9 ; CHECK-NEXT: [[TMP0:%.*]] = phi <2 x i32> [ zeroinitializer, %[[BB]] ], [ [[TMP3:%.*]], %[[BB3:.*]] ]
10 ; CHECK-NEXT: br i1 false, label %[[BB6:.*]], label %[[BB3]]
12 ; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[TMP0]], <2 x i32> <i32 0, i32 poison>, <2 x i32> <i32 2, i32 1>
13 ; CHECK-NEXT: [[TMP2:%.*]] = add <2 x i32> zeroinitializer, [[TMP1]]
14 ; CHECK-NEXT: [[TMP3]] = add <2 x i32> zeroinitializer, [[TMP1]]
15 ; CHECK-NEXT: br i1 false, label %[[BB6]], label %[[BB1]]
17 ; CHECK-NEXT: [[TMP4:%.*]] = phi <2 x i32> [ [[TMP0]], %[[BB1]] ], [ [[TMP2]], %[[BB3]] ]
18 ; CHECK-NEXT: ret void
24 %phi = phi i32 [ 0, %bb ], [ %add5, %bb3 ]
25 %phi2 = phi i32 [ 0, %bb ], [ %add, %bb3 ]
26 br i1 false, label %bb6, label %bb3
31 %add5 = add i32 %phi, 0
32 br i1 false, label %bb6, label %bb1
35 %phi7 = phi i32 [ %phi2, %bb1 ], [ %add4, %bb3 ]
36 %phi8 = phi i32 [ %phi, %bb1 ], [ %add5, %bb3 ]