llvm/test/Transforms/LoopVectorize/AArch64/vector-call-linear-args.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "call.*(foo|bar|baz|quux)" --version 2
; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=1 -S | FileCheck %s --check-prefixes=NEON
; RUN: opt < %s -mattr=+sve -passes=loop-vectorize -force-vector-interleave=1 -S | FileCheck %s --check-prefixes=SVE_OR_NEON
; RUN: opt < %s -mattr=+sve -passes=loop-vectorize -force-vector-interleave=1 -S -prefer-predicate-over-epilogue=predicate-dont-vectorize | FileCheck %s --check-prefixes=SVE_TF

target triple = "aarch64-unknown-linux-gnu"

; A call whose argument can remain a scalar because it's sequential and only the
; starting value is required.
define void @test_linear8(ptr noalias %a, ptr readnone %b, i64 %n) {
; NEON-LABEL: define void @test_linear8
; NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) {
; NEON:    [[TMP3:%.*]] = call <2 x i64> @vec_foo_linear8_nomask_neon(ptr [[TMP2:%.*]])
; NEON:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR0:[0-9]+]]
;
; SVE_OR_NEON-LABEL: define void @test_linear8
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
; SVE_OR_NEON:    [[TMP13:%.*]] = call <vscale x 2 x i64> @vec_foo_linear8_nomask_sve(ptr [[TMP12:%.*]])
; SVE_OR_NEON:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR2:[0-9]+]]
;
; SVE_TF-LABEL: define void @test_linear8
; SVE_TF-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
; SVE_TF:    [[TMP19:%.*]] = call <vscale x 2 x i64> @vec_foo_linear8_mask_sve(ptr [[TMP18:%.*]], <vscale x 2 x i1> [[ACTIVE_LANE_MASK:%.*]])
; SVE_TF:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR3:[0-9]+]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %gepb = getelementptr i64, ptr %b, i64 %indvars.iv
  %data = call i64 @foo(ptr %gepb) #0
  %gepa = getelementptr inbounds i64, ptr %a, i64 %indvars.iv
  store i64 %data, ptr %gepa
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

define void @test_vector_linear4(ptr noalias %a, ptr readnone %b, ptr readonly %c, i64 %n) {
; NEON-LABEL: define void @test_vector_linear4
; NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], ptr readonly [[C:%.*]], i64 [[N:%.*]]) {
; NEON:    [[TMP5:%.*]] = call <4 x i32> @vec_baz_vector_linear4_nomask_neon(<4 x i32> [[WIDE_LOAD:%.*]], ptr [[TMP4:%.*]])
; NEON:    [[DATA:%.*]] = call i32 @baz(i32 [[INPUT:%.*]], ptr [[GEPB:%.*]]) #[[ATTR1:[0-9]+]]
;
; SVE_OR_NEON-LABEL: define void @test_vector_linear4
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], ptr readonly [[C:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_OR_NEON:    [[TMP15:%.*]] = call <vscale x 4 x i32> @vec_baz_vector_linear4_nomask_sve(<vscale x 4 x i32> [[WIDE_LOAD:%.*]], ptr [[TMP14:%.*]])
; SVE_OR_NEON:    [[DATA:%.*]] = call i32 @baz(i32 [[INPUT:%.*]], ptr [[GEPB:%.*]]) #[[ATTR3:[0-9]+]]
;
; SVE_TF-LABEL: define void @test_vector_linear4
; SVE_TF-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], ptr readonly [[C:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_TF:    [[DATA:%.*]] = call i32 @baz(i32 [[INPUT:%.*]], ptr [[GEPB:%.*]]) #[[ATTR4:[0-9]+]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %gepc = getelementptr i32, ptr %c, i64 %indvars.iv
  %input = load i32, ptr %gepc, align 8
  %gepb = getelementptr i32, ptr %b, i64 %indvars.iv
  %data = call i32 @baz(i32 %input, ptr %gepb) #1
  %gepa = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
  store i32 %data, ptr %gepa, align 8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

define void @test_linear8_bad_stride(ptr noalias %a, ptr readnone %b, i64 %n) {
; NEON-LABEL: define void @test_linear8_bad_stride
; NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) {
; NEON:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR2:[0-9]+]]
;
; SVE_OR_NEON-LABEL: define void @test_linear8_bad_stride
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_OR_NEON:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR4:[0-9]+]]
;
; SVE_TF-LABEL: define void @test_linear8_bad_stride
; SVE_TF-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_TF:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR5:[0-9]+]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %gepb = getelementptr i64, ptr %b, i64 %indvars.iv
  %data = call i64 @foo(ptr %gepb) #2
  %gepa = getelementptr inbounds i64, ptr %a, i64 %indvars.iv
  store i64 %data, ptr %gepa
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

define void @test_linear16_wide_stride(ptr noalias %a, ptr readnone %b, i64 %n) {
; NEON-LABEL: define void @test_linear16_wide_stride
; NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) {
; NEON:    [[TMP4:%.*]] = call <2 x i64> @vec_foo_linear16_nomask_neon(ptr [[TMP3:%.*]])
; NEON:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR2]]
;
; SVE_OR_NEON-LABEL: define void @test_linear16_wide_stride
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_OR_NEON:    [[TMP14:%.*]] = call <vscale x 2 x i64> @vec_foo_linear16_nomask_sve(ptr [[TMP13:%.*]])
; SVE_OR_NEON:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR4]]
;
; SVE_TF-LABEL: define void @test_linear16_wide_stride
; SVE_TF-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_TF:    [[DATA:%.*]] = call i64 @foo(ptr [[GEPB:%.*]]) #[[ATTR5]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %double = mul i64 %indvars.iv, 2
  %gepb = getelementptr i64, ptr %b, i64 %double
  %data = call i64 @foo(ptr %gepb) #2
  %gepa = getelementptr inbounds i64, ptr %a, i64 %indvars.iv
  store i64 %data, ptr %gepa
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

define void @test_linear4_linear8(ptr noalias %a, ptr readnone %b, ptr readonly %c, i64 %n) {
; NEON-LABEL: define void @test_linear4_linear8
; NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], ptr readonly [[C:%.*]], i64 [[N:%.*]]) {
; NEON:    [[TMP5:%.*]] = call <4 x i32> @vec_quux_linear4_linear8_nomask_neon(ptr [[TMP3:%.*]], ptr [[TMP4:%.*]])
; NEON:    [[DATA:%.*]] = call i32 @quux(ptr [[GEPC:%.*]], ptr [[GEPB:%.*]]) #[[ATTR3:[0-9]+]]
;
; SVE_OR_NEON-LABEL: define void @test_linear4_linear8
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], ptr readonly [[C:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_OR_NEON:    [[TMP15:%.*]] = call <vscale x 4 x i32> @vec_quux_linear4_linear8_mask_sve(ptr [[TMP13:%.*]], ptr [[TMP14:%.*]], <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
; SVE_OR_NEON:    [[DATA:%.*]] = call i32 @quux(ptr [[GEPC:%.*]], ptr [[GEPB:%.*]]) #[[ATTR5:[0-9]+]]
;
; SVE_TF-LABEL: define void @test_linear4_linear8
; SVE_TF-SAME: (ptr noalias [[A:%.*]], ptr readnone [[B:%.*]], ptr readonly [[C:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_TF:    [[TMP21:%.*]] = call <vscale x 4 x i32> @vec_quux_linear4_linear8_mask_sve(ptr [[TMP19:%.*]], ptr [[TMP20:%.*]], <vscale x 4 x i1> [[ACTIVE_LANE_MASK:%.*]])
; SVE_TF:    [[DATA:%.*]] = call i32 @quux(ptr [[GEPC:%.*]], ptr [[GEPB:%.*]]) #[[ATTR6:[0-9]+]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %gepc = getelementptr i32, ptr %c, i64 %indvars.iv
  %gepb = getelementptr i64, ptr %b, i64 %indvars.iv
  %data = call i32 @quux(ptr %gepc, ptr %gepb) #3
  %gepa = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
  store i32 %data, ptr %gepa, align 8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

define void @test_linear3_non_ptr(ptr noalias %a, i64 %n) {
; NEON-LABEL: define void @test_linear3_non_ptr
; NEON-SAME: (ptr noalias [[A:%.*]], i64 [[N:%.*]]) {
; NEON:    [[TMP3:%.*]] = call <4 x i32> @vec_bar_linear3_nomask_neon(i32 [[TMP2:%.*]])
; NEON:    [[DATA:%.*]] = call i32 @bar(i32 [[TREBLED:%.*]]) #[[ATTR4:[0-9]+]]
;
; SVE_OR_NEON-LABEL: define void @test_linear3_non_ptr
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_OR_NEON:    [[TMP13:%.*]] = call <vscale x 4 x i32> @vec_bar_linear3_nomask_sve(i32 [[TMP12:%.*]])
; SVE_OR_NEON:    [[DATA:%.*]] = call i32 @bar(i32 [[TREBLED:%.*]]) #[[ATTR6:[0-9]+]]
;
; SVE_TF-LABEL: define void @test_linear3_non_ptr
; SVE_TF-SAME: (ptr noalias [[A:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_TF:    [[DATA:%.*]] = call i32 @bar(i32 [[TREBLED:%.*]]) #[[ATTR7:[0-9]+]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %little.iv = trunc i64 %indvars.iv to i32
  %trebled = mul i32 %little.iv, 3
  %data = call i32 @bar(i32 %trebled) #4
  %gepa = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
  store i32 %data, ptr %gepa
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

define void @test_linearn5_non_ptr_neg_stride(ptr noalias %a, i64 %n) {
; NEON-LABEL: define void @test_linearn5_non_ptr_neg_stride
; NEON-SAME: (ptr noalias [[A:%.*]], i64 [[N:%.*]]) {
; NEON:    [[TMP3:%.*]] = call <4 x i32> @vec_bar_linearn5_nomask_neon(i32 [[TMP2:%.*]])
; NEON:    [[DATA:%.*]] = call i32 @bar(i32 [[NEGSTRIDE:%.*]]) #[[ATTR5:[0-9]+]]
;
; SVE_OR_NEON-LABEL: define void @test_linearn5_non_ptr_neg_stride
; SVE_OR_NEON-SAME: (ptr noalias [[A:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_OR_NEON:    [[TMP13:%.*]] = call <vscale x 4 x i32> @vec_bar_linearn5_nomask_sve(i32 [[TMP12:%.*]])
; SVE_OR_NEON:    [[DATA:%.*]] = call i32 @bar(i32 [[NEGSTRIDE:%.*]]) #[[ATTR7:[0-9]+]]
;
; SVE_TF-LABEL: define void @test_linearn5_non_ptr_neg_stride
; SVE_TF-SAME: (ptr noalias [[A:%.*]], i64 [[N:%.*]]) #[[ATTR0]] {
; SVE_TF:    [[DATA:%.*]] = call i32 @bar(i32 [[NEGSTRIDE:%.*]]) #[[ATTR8:[0-9]+]]
;
entry:
  br label %for.body

for.body:
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %little.iv = trunc i64 %indvars.iv to i32
  %negstride = mul i32 %little.iv, -5
  %data = call i32 @bar(i32 %negstride) #5
  %gepa = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
  store i32 %data, ptr %gepa
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %n
  br i1 %exitcond, label %for.cond.cleanup, label %for.body

for.cond.cleanup:
  ret void
}

declare i64 @foo(ptr)
declare i32 @baz(i32, ptr)
declare i32 @quux(ptr, ptr)
declare i32 @bar(i32)

; neon vector variants of foo
declare <2 x i64> @vec_foo_linear8_nomask_neon(ptr)
declare <2 x i64> @vec_foo_linear16_nomask_neon(ptr)
declare <4 x i32> @vec_baz_vector_linear4_nomask_neon(<4 x i32>, ptr)
declare <4 x i32> @vec_quux_linear4_linear8_nomask_neon(ptr, ptr)
declare <4 x i32> @vec_bar_linear3_nomask_neon(i32)
declare <4 x i32> @vec_bar_linearn5_nomask_neon(i32)

; scalable vector variants of foo
declare <vscale x 2 x i64> @vec_foo_linear8_mask_sve(ptr, <vscale x 2 x i1>)
declare <vscale x 2 x i64> @vec_foo_linear8_nomask_sve(ptr)
declare <vscale x 2 x i64> @vec_foo_linear16_nomask_sve(ptr)
declare <vscale x 4 x i32> @vec_baz_vector_linear4_nomask_sve(<vscale x 4 x i32>, ptr)
declare <vscale x 4 x i32> @vec_quux_linear4_linear8_mask_sve(ptr, ptr, <vscale x 4 x i1>)
declare <vscale x 4 x i32> @vec_bar_linear3_nomask_sve(i32)
declare <vscale x 4 x i32> @vec_bar_linearn5_nomask_sve(i32)

attributes #0 = { nounwind "vector-function-abi-variant"="_ZGVsNxl8_foo(vec_foo_linear8_nomask_sve),_ZGVsMxl8_foo(vec_foo_linear8_mask_sve),_ZGVnN2l8_foo(vec_foo_linear8_nomask_neon)" }
attributes #1 = { nounwind "vector-function-abi-variant"="_ZGVsNxvl4_baz(vec_baz_vector_linear4_nomask_sve),_ZGVnN4vl4_baz(vec_baz_vector_linear4_nomask_neon)" }
attributes #2 = { nounwind "vector-function-abi-variant"="_ZGVsNxl16_foo(vec_foo_linear16_nomask_sve),_ZGVnN2l16_foo(vec_foo_linear16_nomask_neon)" }
attributes #3 = { nounwind "vector-function-abi-variant"="_ZGVsMxl4l8_quux(vec_quux_linear4_linear8_mask_sve),_ZGVnN4l4l8_quux(vec_quux_linear4_linear8_nomask_neon)" }
attributes #4 = { nounwind "vector-function-abi-variant"="_ZGVsNxl3_bar(vec_bar_linear3_nomask_sve),_ZGVnN4l3_bar(vec_bar_linear3_nomask_neon)" }
attributes #5 = { nounwind "vector-function-abi-variant"="_ZGVsNxln5_bar(vec_bar_linearn5_nomask_sve),_ZGVnN4ln5_bar(vec_bar_linearn5_nomask_neon)" }