; RUN: opt -loop-vectorize -force-vector-width=2 -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s --check-prefix=VF_2 ; RUN: opt -loop-vectorize -force-vector-width=4 -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s --check-prefix=VF_4 ; RUN: opt -loop-vectorize -force-vector-width=8 -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s --check-prefix=VF_8 ; RUN: opt -loop-vectorize -force-vector-width=16 -debug-only=loop-vectorize -disable-output < %s 2>&1 | FileCheck %s --check-prefix=VF_16 ; REQUIRES: asserts target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" target triple = "aarch64--linux-gnueabi" %i8.2 = type {i8, i8} define void @i8_factor_2(%i8.2* %data, i64 %n) { entry: br label %for.body ; VF_8-LABEL: Checking a loop in 'i8_factor_2' ; VF_8: Found an estimated cost of 2 for VF 8 For instruction: %tmp2 = load i8, i8* %tmp0, align 1 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: %tmp3 = load i8, i8* %tmp1, align 1 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: store i8 0, i8* %tmp0, align 1 ; VF_8-NEXT: Found an estimated cost of 2 for VF 8 For instruction: store i8 0, i8* %tmp1, align 1 ; VF_16-LABEL: Checking a loop in 'i8_factor_2' ; VF_16: Found an estimated cost of 2 for VF 16 For instruction: %tmp2 = load i8, i8* %tmp0, align 1 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: %tmp3 = load i8, i8* %tmp1, align 1 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: store i8 0, i8* %tmp0, align 1 ; VF_16-NEXT: Found an estimated cost of 2 for VF 16 For instruction: store i8 0, i8* %tmp1, align 1 for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %tmp0 = getelementptr inbounds %i8.2, %i8.2* %data, i64 %i, i32 0 %tmp1 = getelementptr inbounds %i8.2, %i8.2* %data, i64 %i, i32 1 %tmp2 = load i8, i8* %tmp0, align 1 %tmp3 = load i8, i8* %tmp1, align 1 store i8 0, i8* %tmp0, align 1 store i8 0, i8* %tmp1, align 1 %i.next = add nuw nsw i64 %i, 1 %cond = icmp slt i64 %i.next, %n br i1 %cond, label %for.body, label %for.end for.end: ret void } %i16.2 = type {i16, i16} define void @i16_factor_2(%i16.2* %data, i64 %n) { entry: br label %for.body ; VF_4-LABEL: Checking a loop in 'i16_factor_2' ; VF_4: Found an estimated cost of 2 for VF 4 For instruction: %tmp2 = load i16, i16* %tmp0, align 2 ; VF_4-NEXT: Found an estimated cost of 0 for VF 4 For instruction: %tmp3 = load i16, i16* %tmp1, align 2 ; VF_4-NEXT: Found an estimated cost of 0 for VF 4 For instruction: store i16 0, i16* %tmp0, align 2 ; VF_4-NEXT: Found an estimated cost of 2 for VF 4 For instruction: store i16 0, i16* %tmp1, align 2 ; VF_8-LABEL: Checking a loop in 'i16_factor_2' ; VF_8: Found an estimated cost of 2 for VF 8 For instruction: %tmp2 = load i16, i16* %tmp0, align 2 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: %tmp3 = load i16, i16* %tmp1, align 2 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: store i16 0, i16* %tmp0, align 2 ; VF_8-NEXT: Found an estimated cost of 2 for VF 8 For instruction: store i16 0, i16* %tmp1, align 2 ; VF_16-LABEL: Checking a loop in 'i16_factor_2' ; VF_16: Found an estimated cost of 4 for VF 16 For instruction: %tmp2 = load i16, i16* %tmp0, align 2 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: %tmp3 = load i16, i16* %tmp1, align 2 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: store i16 0, i16* %tmp0, align 2 ; VF_16-NEXT: Found an estimated cost of 4 for VF 16 For instruction: store i16 0, i16* %tmp1, align 2 for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %tmp0 = getelementptr inbounds %i16.2, %i16.2* %data, i64 %i, i32 0 %tmp1 = getelementptr inbounds %i16.2, %i16.2* %data, i64 %i, i32 1 %tmp2 = load i16, i16* %tmp0, align 2 %tmp3 = load i16, i16* %tmp1, align 2 store i16 0, i16* %tmp0, align 2 store i16 0, i16* %tmp1, align 2 %i.next = add nuw nsw i64 %i, 1 %cond = icmp slt i64 %i.next, %n br i1 %cond, label %for.body, label %for.end for.end: ret void } %i32.2 = type {i32, i32} define void @i32_factor_2(%i32.2* %data, i64 %n) { entry: br label %for.body ; VF_2-LABEL: Checking a loop in 'i32_factor_2' ; VF_2: Found an estimated cost of 2 for VF 2 For instruction: %tmp2 = load i32, i32* %tmp0, align 4 ; VF_2-NEXT: Found an estimated cost of 0 for VF 2 For instruction: %tmp3 = load i32, i32* %tmp1, align 4 ; VF_2-NEXT: Found an estimated cost of 0 for VF 2 For instruction: store i32 0, i32* %tmp0, align 4 ; VF_2-NEXT: Found an estimated cost of 2 for VF 2 For instruction: store i32 0, i32* %tmp1, align 4 ; VF_4-LABEL: Checking a loop in 'i32_factor_2' ; VF_4: Found an estimated cost of 2 for VF 4 For instruction: %tmp2 = load i32, i32* %tmp0, align 4 ; VF_4-NEXT: Found an estimated cost of 0 for VF 4 For instruction: %tmp3 = load i32, i32* %tmp1, align 4 ; VF_4-NEXT: Found an estimated cost of 0 for VF 4 For instruction: store i32 0, i32* %tmp0, align 4 ; VF_4-NEXT: Found an estimated cost of 2 for VF 4 For instruction: store i32 0, i32* %tmp1, align 4 ; VF_8-LABEL: Checking a loop in 'i32_factor_2' ; VF_8: Found an estimated cost of 4 for VF 8 For instruction: %tmp2 = load i32, i32* %tmp0, align 4 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: %tmp3 = load i32, i32* %tmp1, align 4 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: store i32 0, i32* %tmp0, align 4 ; VF_8-NEXT: Found an estimated cost of 4 for VF 8 For instruction: store i32 0, i32* %tmp1, align 4 ; VF_16-LABEL: Checking a loop in 'i32_factor_2' ; VF_16: Found an estimated cost of 8 for VF 16 For instruction: %tmp2 = load i32, i32* %tmp0, align 4 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: %tmp3 = load i32, i32* %tmp1, align 4 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: store i32 0, i32* %tmp0, align 4 ; VF_16-NEXT: Found an estimated cost of 8 for VF 16 For instruction: store i32 0, i32* %tmp1, align 4 for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %tmp0 = getelementptr inbounds %i32.2, %i32.2* %data, i64 %i, i32 0 %tmp1 = getelementptr inbounds %i32.2, %i32.2* %data, i64 %i, i32 1 %tmp2 = load i32, i32* %tmp0, align 4 %tmp3 = load i32, i32* %tmp1, align 4 store i32 0, i32* %tmp0, align 4 store i32 0, i32* %tmp1, align 4 %i.next = add nuw nsw i64 %i, 1 %cond = icmp slt i64 %i.next, %n br i1 %cond, label %for.body, label %for.end for.end: ret void } %i64.2 = type {i64, i64} define void @i64_factor_2(%i64.2* %data, i64 %n) { entry: br label %for.body ; VF_2-LABEL: Checking a loop in 'i64_factor_2' ; VF_2: Found an estimated cost of 2 for VF 2 For instruction: %tmp2 = load i64, i64* %tmp0, align 8 ; VF_2-NEXT: Found an estimated cost of 0 for VF 2 For instruction: %tmp3 = load i64, i64* %tmp1, align 8 ; VF_2-NEXT: Found an estimated cost of 0 for VF 2 For instruction: store i64 0, i64* %tmp0, align 8 ; VF_2-NEXT: Found an estimated cost of 2 for VF 2 For instruction: store i64 0, i64* %tmp1, align 8 ; VF_4-LABEL: Checking a loop in 'i64_factor_2' ; VF_4: Found an estimated cost of 4 for VF 4 For instruction: %tmp2 = load i64, i64* %tmp0, align 8 ; VF_4-NEXT: Found an estimated cost of 0 for VF 4 For instruction: %tmp3 = load i64, i64* %tmp1, align 8 ; VF_4-NEXT: Found an estimated cost of 0 for VF 4 For instruction: store i64 0, i64* %tmp0, align 8 ; VF_4-NEXT: Found an estimated cost of 4 for VF 4 For instruction: store i64 0, i64* %tmp1, align 8 ; VF_8-LABEL: Checking a loop in 'i64_factor_2' ; VF_8: Found an estimated cost of 8 for VF 8 For instruction: %tmp2 = load i64, i64* %tmp0, align 8 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: %tmp3 = load i64, i64* %tmp1, align 8 ; VF_8-NEXT: Found an estimated cost of 0 for VF 8 For instruction: store i64 0, i64* %tmp0, align 8 ; VF_8-NEXT: Found an estimated cost of 8 for VF 8 For instruction: store i64 0, i64* %tmp1, align 8 ; VF_16-LABEL: Checking a loop in 'i64_factor_2' ; VF_16: Found an estimated cost of 16 for VF 16 For instruction: %tmp2 = load i64, i64* %tmp0, align 8 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: %tmp3 = load i64, i64* %tmp1, align 8 ; VF_16-NEXT: Found an estimated cost of 0 for VF 16 For instruction: store i64 0, i64* %tmp0, align 8 ; VF_16-NEXT: Found an estimated cost of 16 for VF 16 For instruction: store i64 0, i64* %tmp1, align 8 for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %tmp0 = getelementptr inbounds %i64.2, %i64.2* %data, i64 %i, i32 0 %tmp1 = getelementptr inbounds %i64.2, %i64.2* %data, i64 %i, i32 1 %tmp2 = load i64, i64* %tmp0, align 8 %tmp3 = load i64, i64* %tmp1, align 8 store i64 0, i64* %tmp0, align 8 store i64 0, i64* %tmp1, align 8 %i.next = add nuw nsw i64 %i, 1 %cond = icmp slt i64 %i.next, %n br i1 %cond, label %for.body, label %for.end for.end: ret void } %i64.8 = type {i64, i64, i64, i64, i64, i64, i64, i64} define void @i64_factor_8(%i64.8* %data, i64 %n) { entry: br label %for.body ; The interleave factor in this test is 8, which is greater than the maximum ; allowed factor for AArch64 (4). Thus, we will fall back to the basic TTI ; implementation for determining the cost of the interleaved load group. The ; stores do not form a legal interleaved group because the group would contain ; gaps. ; ; VF_2-LABEL: Checking a loop in 'i64_factor_8' ; VF_2: Found an estimated cost of 10 for VF 2 For instruction: %tmp2 = load i64, i64* %tmp0, align 8 ; VF_2-NEXT: Found an estimated cost of 0 for VF 2 For instruction: %tmp3 = load i64, i64* %tmp1, align 8 ; VF_2-NEXT: Found an estimated cost of 7 for VF 2 For instruction: store i64 0, i64* %tmp0, align 8 ; VF_2-NEXT: Found an estimated cost of 7 for VF 2 For instruction: store i64 0, i64* %tmp1, align 8 for.body: %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] %tmp0 = getelementptr inbounds %i64.8, %i64.8* %data, i64 %i, i32 2 %tmp1 = getelementptr inbounds %i64.8, %i64.8* %data, i64 %i, i32 6 %tmp2 = load i64, i64* %tmp0, align 8 %tmp3 = load i64, i64* %tmp1, align 8 store i64 0, i64* %tmp0, align 8 store i64 0, i64* %tmp1, align 8 %i.next = add nuw nsw i64 %i, 1 %cond = icmp slt i64 %i.next, %n br i1 %cond, label %for.body, label %for.end for.end: ret void }