1 ; RUN: opt < %s -loop-vectorize -mtriple=thumbv7-apple-ios3.0.0 -mcpu=swift -S -dce | FileCheck %s 2 3 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32" 4 target triple = "thumbv7-apple-ios3.0.0" 5 6 @b = common global [2048 x i32] zeroinitializer, align 16 7 @c = common global [2048 x i32] zeroinitializer, align 16 8 @a = common global [2048 x i32] zeroinitializer, align 16 9 10 ; Select VF = 8; 11 ;CHECK-LABEL: @example1( 12 ;CHECK: load <4 x i32> 13 ;CHECK: add nsw <4 x i32> 14 ;CHECK: store <4 x i32> 15 ;CHECK: ret void 16 define void @example1() nounwind uwtable ssp { 17 br label %1 18 19 ; <label>:1 ; preds = %1, %0 20 %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ] 21 %2 = getelementptr inbounds [2048 x i32], [2048 x i32]* @b, i64 0, i64 %indvars.iv 22 %3 = load i32, i32* %2, align 4 23 %4 = getelementptr inbounds [2048 x i32], [2048 x i32]* @c, i64 0, i64 %indvars.iv 24 %5 = load i32, i32* %4, align 4 25 %6 = add nsw i32 %5, %3 26 %7 = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %indvars.iv 27 store i32 %6, i32* %7, align 4 28 %indvars.iv.next = add i64 %indvars.iv, 1 29 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 30 %exitcond = icmp eq i32 %lftr.wideiv, 256 31 br i1 %exitcond, label %8, label %1 32 33 ; <label>:8 ; preds = %1 34 ret void 35 } 36 37 ;CHECK-LABEL: @example10b( 38 ;CHECK: load <4 x i16> 39 ;CHECK: sext <4 x i16> 40 ;CHECK: store <4 x i32> 41 ;CHECK: ret void 42 define void @example10b(i16* noalias nocapture %sa, i16* noalias nocapture %sb, i16* noalias nocapture %sc, i32* noalias nocapture %ia, i32* noalias nocapture %ib, i32* noalias nocapture %ic) nounwind uwtable ssp { 43 br label %1 44 45 ; <label>:1 ; preds = %1, %0 46 %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ] 47 %2 = getelementptr inbounds i16, i16* %sb, i64 %indvars.iv 48 %3 = load i16, i16* %2, align 2 49 %4 = sext i16 %3 to i32 50 %5 = getelementptr inbounds i32, i32* %ia, i64 %indvars.iv 51 store i32 %4, i32* %5, align 4 52 %indvars.iv.next = add i64 %indvars.iv, 1 53 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 54 %exitcond = icmp eq i32 %lftr.wideiv, 1024 55 br i1 %exitcond, label %6, label %1 56 57 ; <label>:6 ; preds = %1 58 ret void 59 } 60 61
