; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -slp-vectorizer -S -mcpu=corei7-avx | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.8.0" define i32 @foo(i32* nocapture %A, i32 %n) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP62:%.*]] = icmp sgt i32 [[N:%.*]], 0 ; CHECK-NEXT: br i1 [[CMP62]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]] ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ARRAYIDX]] to <8 x i32>* ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <8 x i32> poison, i32 [[N]], i32 0 ; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <8 x i32> [[TMP2]], <8 x i32> poison, <8 x i32> zeroinitializer ; CHECK-NEXT: [[TMP3:%.*]] = add nsw <8 x i32> [[TMP1]], [[SHUFFLE]] ; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[ARRAYIDX]] to <8 x i32>* ; CHECK-NEXT: store <8 x i32> [[TMP3]], <8 x i32>* [[TMP4]], align 4 ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 8 ; CHECK-NEXT: [[TMP5:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP5]], [[N]] ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END]] ; CHECK: for.end: ; CHECK-NEXT: ret i32 undef ; entry: %cmp62 = icmp sgt i32 %n, 0 br i1 %cmp62, label %for.body, label %for.end for.body: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %add1 = add nsw i32 %0, %n store i32 %add1, i32* %arrayidx, align 4 %1 = or i64 %indvars.iv, 1 %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %1 %2 = load i32, i32* %arrayidx4, align 4 %add5 = add nsw i32 %2, %n store i32 %add5, i32* %arrayidx4, align 4 %3 = or i64 %indvars.iv, 2 %arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %3 %4 = load i32, i32* %arrayidx8, align 4 %add9 = add nsw i32 %4, %n store i32 %add9, i32* %arrayidx8, align 4 %5 = or i64 %indvars.iv, 3 %arrayidx12 = getelementptr inbounds i32, i32* %A, i64 %5 %6 = load i32, i32* %arrayidx12, align 4 %add13 = add nsw i32 %6, %n store i32 %add13, i32* %arrayidx12, align 4 %7 = or i64 %indvars.iv, 4 %arrayidx16 = getelementptr inbounds i32, i32* %A, i64 %7 %8 = load i32, i32* %arrayidx16, align 4 %add17 = add nsw i32 %8, %n store i32 %add17, i32* %arrayidx16, align 4 %9 = or i64 %indvars.iv, 5 %arrayidx20 = getelementptr inbounds i32, i32* %A, i64 %9 %10 = load i32, i32* %arrayidx20, align 4 %add21 = add nsw i32 %10, %n store i32 %add21, i32* %arrayidx20, align 4 %11 = or i64 %indvars.iv, 6 %arrayidx24 = getelementptr inbounds i32, i32* %A, i64 %11 %12 = load i32, i32* %arrayidx24, align 4 %add25 = add nsw i32 %12, %n store i32 %add25, i32* %arrayidx24, align 4 %13 = or i64 %indvars.iv, 7 %arrayidx28 = getelementptr inbounds i32, i32* %A, i64 %13 %14 = load i32, i32* %arrayidx28, align 4 %add29 = add nsw i32 %14, %n store i32 %add29, i32* %arrayidx28, align 4 %indvars.iv.next = add i64 %indvars.iv, 8 %15 = trunc i64 %indvars.iv.next to i32 %cmp = icmp slt i32 %15, %n br i1 %cmp, label %for.body, label %for.end for.end: ret i32 undef }