; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s %} ; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s %} define i32 @test() { ; CHECK-LABEL: @test( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <4 x i32> zeroinitializer, <4 x i32> zeroinitializer, <4 x i32> ; CHECK-NEXT: [[TMP1:%.*]] = or <4 x i32> [[TMP0]], zeroinitializer ; CHECK-NEXT: [[RDX_OP:%.*]] = add <4 x i32> [[TMP1]], [[TMP0]] ; CHECK-NEXT: [[OP_RDX:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[RDX_OP]]) ; CHECK-NEXT: ret i32 [[OP_RDX]] ; bb: %0 = shufflevector <4 x i32> zeroinitializer, <4 x i32> zeroinitializer, <4 x i32> %1 = extractelement <4 x i32> %0, i32 3 %2 = extractelement <4 x i32> %0, i32 2 %3 = extractelement <4 x i32> %0, i32 1 %4 = extractelement <4 x i32> %0, i32 0 %inst514 = or i32 %4, 0 %inst494 = or i32 %3, 0 %inst474 = or i32 %2, 0 %inst454 = or i32 %1, 0 %inst458 = add i32 %1, %inst454 %inst477 = add i32 %inst458, %2 %inst478 = add i32 %inst477, %inst474 %inst497 = add i32 %inst478, %3 %inst498 = add i32 %inst497, %inst494 %inst517 = add i32 %inst498, %4 %inst518 = add i32 %inst517, %inst514 ret i32 %inst518 }