1 ; RUN: opt -S -debug-only=loop-vectorize -loop-vectorize -instcombine < %s 2>&1 | FileCheck %s 2 ; REQUIRES: asserts 3 4 target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" 5 target triple = "armv8--linux-gnueabihf" 6 7 @AB = common global [1024 x i8] zeroinitializer, align 4 8 @CD = common global [1024 x i8] zeroinitializer, align 4 9 10 define void @test_byte_interleaved_cost(i8 %C, i8 %D) { 11 entry: 12 br label %for.body 13 14 ; 8xi8 and 16xi8 are valid i8 vector types, so the cost of the interleaved 15 ; access group is 2. 16 17 ; CHECK: LV: Found an estimated cost of 2 for VF 8 For instruction: %tmp = load i8, i8* %arrayidx0, align 4 18 ; CHECK: LV: Found an estimated cost of 2 for VF 16 For instruction: %tmp = load i8, i8* %arrayidx0, align 4 19 20 for.body: ; preds = %for.body, %entry 21 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 22 %arrayidx0 = getelementptr inbounds [1024 x i8], [1024 x i8]* @AB, i64 0, i64 %indvars.iv 23 %tmp = load i8, i8* %arrayidx0, align 4 24 %tmp1 = or i64 %indvars.iv, 1 25 %arrayidx1 = getelementptr inbounds [1024 x i8], [1024 x i8]* @AB, i64 0, i64 %tmp1 26 %tmp2 = load i8, i8* %arrayidx1, align 4 27 %add = add nsw i8 %tmp, %C 28 %mul = mul nsw i8 %tmp2, %D 29 %arrayidx2 = getelementptr inbounds [1024 x i8], [1024 x i8]* @CD, i64 0, i64 %indvars.iv 30 store i8 %add, i8* %arrayidx2, align 4 31 %arrayidx3 = getelementptr inbounds [1024 x i8], [1024 x i8]* @CD, i64 0, i64 %tmp1 32 store i8 %mul, i8* %arrayidx3, align 4 33 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 2 34 %cmp = icmp slt i64 %indvars.iv.next, 1024 35 br i1 %cmp, label %for.body, label %for.end 36 37 for.end: ; preds = %for.body 38 ret void 39 } 40
