1; REQUIRES: asserts 2; RUN: opt -mtriple=aarch64 -mattr=+sve \ 3; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \ 4; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING1 5 6; RUN: opt -mtriple=aarch64 -mattr=+sve -mcpu=generic \ 7; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \ 8; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING1 9 10; RUN: opt -mtriple=aarch64 -mcpu=neoverse-v1 \ 11; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \ 12; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING2 13 14; RUN: opt -mtriple=aarch64 -mcpu=neoverse-n2 \ 15; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \ 16; RUN: | FileCheck %s --check-prefixes=VSCALEFORTUNING1 17 18; RUN: opt -mtriple=aarch64 -mcpu=neoverse-v2 \ 19; RUN: -force-target-instruction-cost=1 -passes=loop-vectorize -S -debug-only=loop-vectorize --disable-output < %s 2>&1 \ 20; RUN: | FileCheck %s --check-prefixes=NEOVERSEV2 21 22; VSCALEFORTUNING1: Cost for VF vscale x 2: 11 (Estimated cost per lane: 5. 23; VSCALEFORTUNING1: Cost for VF vscale x 4: 11 (Estimated cost per lane: 2. 24; VSCALEFORTUNING1: LV: Selecting VF: vscale x 16 25 26; VSCALEFORTUNING2: Cost for VF vscale x 2: 11 (Estimated cost per lane: 2. 27; VSCALEFORTUNING2: Cost for VF vscale x 4: 11 (Estimated cost per lane: 1. 28; VSCALEFORTUNING2: LV: Selecting VF: vscale x 16 29 30; NEOVERSEV2: Cost for VF vscale x 2: 11 (Estimated cost per lane: 5. 31; NEOVERSEV2: Cost for VF vscale x 4: 11 (Estimated cost per lane: 2. 32; NEOVERSEV2: LV: Selecting VF: 16 33 34; VSCALEFORTUNING1: <vscale x 16 x i8> 35; VSCALEFORTUNING2: <vscale x 16 x i8> 36; NEOVERSEV2: <16 x i8> 37define void @test0(ptr %a, ptr %b, ptr %c) #0 { 38entry: 39 br label %loop 40 41loop: 42 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] 43 %arrayidx = getelementptr inbounds i8, ptr %c, i64 %iv 44 %0 = load i8, ptr %arrayidx, align 4 45 %arrayidx2 = getelementptr inbounds i8, ptr %b, i64 %iv 46 %1 = load i8, ptr %arrayidx2, align 4 47 %add = add nsw i8 %0, %1 48 %arrayidx5 = getelementptr inbounds i8, ptr %a, i64 %iv 49 store i8 %add, ptr %arrayidx5, align 4 50 %iv.next = add nuw nsw i64 %iv, 1 51 %exitcond.not = icmp eq i64 %iv.next, 1024 52 br i1 %exitcond.not, label %exit, label %loop 53 54exit: 55 ret void 56} 57