; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -slp-vectorizer -slp-vectorize-hor -slp-vectorize-hor-store -S < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1" define void @mainTest(i32* %ptr) #0 { ; CHECK-LABEL: @mainTest( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32* [[PTR:%.*]], null ; CHECK-NEXT: br i1 [[CMP]], label [[LOOP:%.*]], label [[BAIL_OUT:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[DUMMY_PHI:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ], [ [[OP_EXTRA3:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 1 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 2 ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 3 ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[PTR]] to <4 x i32>* ; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <4 x i32> [[TMP4]], i32 3 ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i32> [[TMP4]], i32 2 ; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x i32> [[TMP4]], i32 1 ; CHECK-NEXT: [[TMP8:%.*]] = mul <4 x i32> [[TMP4]], [[TMP4]] ; CHECK-NEXT: [[TMP9:%.*]] = sext i32 [[TMP6]] to i64 ; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP8]]) ; CHECK-NEXT: [[OP_EXTRA:%.*]] = add i32 [[TMP10]], 1 ; CHECK-NEXT: [[OP_EXTRA1:%.*]] = add i32 [[OP_EXTRA]], [[TMP7]] ; CHECK-NEXT: [[OP_EXTRA2:%.*]] = add i32 [[OP_EXTRA1]], [[TMP6]] ; CHECK-NEXT: [[OP_EXTRA3]] = add i32 [[OP_EXTRA2]], [[TMP5]] ; CHECK-NEXT: br label [[LOOP]] ; CHECK: bail_out: ; CHECK-NEXT: ret void ; entry: %cmp = icmp eq i32* %ptr, null br i1 %cmp, label %loop, label %bail_out loop: %dummy_phi = phi i32 [ 1, %entry ], [ %18, %loop ] %0 = load i32, i32 * %ptr , align 4 %1 = mul i32 %0, %0 %2 = add i32 1, %1 %3 = getelementptr inbounds i32, i32 * %ptr, i64 1 %4 = load i32, i32 * %3 , align 4 %5 = mul i32 %4, %4 %6 = add i32 %2, %4 %7 = add i32 %6, %5 %8 = getelementptr inbounds i32, i32 *%ptr, i64 2 %9 = load i32, i32 * %8 , align 4 %10 = mul i32 %9, %9 %11 = add i32 %7, %9 %12 = add i32 %11, %10 %13 = sext i32 %9 to i64 %14 = getelementptr inbounds i32, i32 *%ptr, i64 3 %15 = load i32, i32 * %14 , align 4 %16 = mul i32 %15, %15 %17 = add i32 %12, %15 %18 = add i32 %17, %16 br label %loop bail_out: ret void } attributes #0 = { "target-cpu"="westmere" }