; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu -mattr=+avx < %s | FileCheck %s define i32 @foo() { ; CHECK-LABEL: @foo( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[TMP1:%.*]] = or <4 x i32> zeroinitializer, zeroinitializer ; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[TMP1]], i32 0 ; CHECK-NEXT: [[TMP3:%.*]] = mul <4 x i32> [[TMP1]], zeroinitializer ; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i32> [[TMP3]], zeroinitializer ; CHECK-NEXT: [[RDX_OP:%.*]] = mul <4 x i32> [[TMP4]], zeroinitializer ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[RDX_OP]]) ; CHECK-NEXT: [[OP_RDX:%.*]] = mul i32 0, [[TMP5]] ; CHECK-NEXT: [[OP_RDX1:%.*]] = mul i32 [[OP_RDX]], 0 ; CHECK-NEXT: [[OP_RDX6:%.*]] = mul i32 [[OP_RDX1]], [[TMP2]] ; CHECK-NEXT: ret i32 [[OP_RDX6]] ; bb: %inst5 = add i32 0, 0 %0 = extractelement <2 x i32> zeroinitializer, i32 0 %inst7 = mul i32 %0, %inst5 %1 = extractelement <2 x i32> zeroinitializer, i32 0 %inst13 = mul i32 %1, %inst7 %inst14 = mul i32 %inst13, 0 %2 = extractelement <2 x i32> zeroinitializer, i32 0 %inst19 = mul i32 %2, %inst14 %inst20 = mul i32 %inst19, 0 %3 = extractelement <2 x i32> zeroinitializer, i32 0 %inst26 = mul i32 %3, %inst20 %inst27 = mul i32 %inst26, 0 %4 = or <4 x i32> zeroinitializer, zeroinitializer %5 = extractelement <4 x i32> %4, i32 0 %inst31 = mul i32 %5, 0 %inst32 = add i32 %inst31, 0 %inst33 = mul i32 %5, %inst27 %inst34 = mul i32 %inst33, %inst32 %6 = extractelement <4 x i32> %4, i32 1 %inst39 = mul i32 %6, 0 %inst40 = add i32 %inst39, 0 %inst41 = mul i32 0, %inst34 %inst42 = mul i32 %inst41, %inst40 %7 = extractelement <4 x i32> %4, i32 2 %inst47 = mul i32 %7, 0 %inst48 = add i32 %inst47, 0 %inst49 = mul i32 0, %inst42 %inst50 = mul i32 %inst49, %inst48 %8 = extractelement <4 x i32> %4, i32 3 %inst55 = mul i32 %8, 0 %inst56 = add i32 %inst55, 0 %inst57 = mul i32 0, %inst50 %inst58 = mul i32 %inst57, %inst56 ret i32 %inst58 }