1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2 ; RUN: opt -S --passes=slp-vectorizer -slp-threshold=-99999 < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
5 ; CHECK-LABEL: define void @test() {
6 ; CHECK-NEXT: [[BB:.*]]:
7 ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i64 0 to i32
8 ; CHECK-NEXT: br label %[[BB1:.*]]
10 ; CHECK-NEXT: [[TMP0:%.*]] = phi <2 x i32> [ zeroinitializer, %[[BB]] ], [ [[TMP4:%.*]], %[[BB1]] ]
11 ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x i32> [[TMP0]], i32 1
12 ; CHECK-NEXT: [[TMP2:%.*]] = call i8 @llvm.vector.reduce.mul.v4i8(<4 x i8> zeroinitializer)
13 ; CHECK-NEXT: [[TMP3:%.*]] = zext i8 [[TMP2]] to i32
14 ; CHECK-NEXT: [[OP_RDX:%.*]] = mul i32 [[TMP3]], [[TMP1]]
15 ; CHECK-NEXT: [[OP_RDX1:%.*]] = mul i32 [[OP_RDX]], [[TRUNC]]
16 ; CHECK-NEXT: [[TMP4]] = insertelement <2 x i32> <i32 0, i32 poison>, i32 [[OP_RDX1]], i32 1
17 ; CHECK-NEXT: br label %[[BB1]]
23 %phi = phi i32 [ 0, %bb ], [ %mul9, %bb1 ]
24 %phi2 = phi i32 [ 0, %bb ], [ 0, %bb1 ]
25 %trunc = trunc i64 0 to i32
26 %mul = mul i32 0, %trunc
27 %mul3 = mul i32 %trunc, %phi
28 %mul4 = mul i32 %mul3, %mul
29 %mul5 = mul i32 %mul4, %mul
30 %trunc6 = trunc i64 0 to i32
31 %mul7 = mul i32 0, %trunc6
32 %mul8 = mul i32 %mul5, %mul7
33 %mul9 = mul i32 %mul8, %mul7