view llvm/test/Transforms/CodeGenPrepare/X86/gather-scatter-opt.ll @ 252:1f2b6ac9f198 llvm-original

LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents 79ff65ed7e25
children
line wrap: on
line source

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -codegenprepare < %s | FileCheck %s

target datalayout =
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"

%struct.a = type { i32, i32 }
@c = external dso_local global %struct.a, align 4
@glob_array = internal unnamed_addr constant [16 x i32] [i32 1, i32 1, i32 2, i32 3, i32 5, i32 8, i32 13, i32 21, i32 34, i32 55, i32 89, i32 144, i32 233, i32 377, i32 610, i32 987], align 16

define <4 x i32> @splat_base(ptr %base, <4 x i64> %index) {
; CHECK-LABEL: @splat_base(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i32, ptr [[BASE:%.*]], <4 x i64> [[INDEX:%.*]]
; CHECK-NEXT:    [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[TMP1]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
; CHECK-NEXT:    ret <4 x i32> [[RES]]
;
  %broadcast.splatinsert = insertelement <4 x ptr> undef, ptr %base, i32 0
  %broadcast.splat = shufflevector <4 x ptr> %broadcast.splatinsert, <4 x ptr> undef, <4 x i32> zeroinitializer
  %gep = getelementptr i32, <4 x ptr> %broadcast.splat, <4 x i64> %index
  %res = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %gep, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
  ret <4 x i32> %res
}

define <4 x i32> @splat_struct(ptr %base) {
; CHECK-LABEL: @splat_struct(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr [[STRUCT_A:%.*]], ptr [[BASE:%.*]], i64 0, i32 1
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i32, ptr [[TMP1]], <4 x i64> zeroinitializer
; CHECK-NEXT:    [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[TMP2]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
; CHECK-NEXT:    ret <4 x i32> [[RES]]
;
  %gep = getelementptr %struct.a, ptr %base, <4 x i64> zeroinitializer, i32 1
  %res = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %gep, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
  ret <4 x i32> %res
}

define <4 x i32> @scalar_index(ptr %base, i64 %index) {
; CHECK-LABEL: @scalar_index(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i32, ptr [[BASE:%.*]], i64 [[INDEX:%.*]]
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i32, ptr [[TMP1]], <4 x i64> zeroinitializer
; CHECK-NEXT:    [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[TMP2]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
; CHECK-NEXT:    ret <4 x i32> [[RES]]
;
  %broadcast.splatinsert = insertelement <4 x ptr> undef, ptr %base, i32 0
  %broadcast.splat = shufflevector <4 x ptr> %broadcast.splatinsert, <4 x ptr> undef, <4 x i32> zeroinitializer
  %gep = getelementptr i32, <4 x ptr> %broadcast.splat, i64 %index
  %res = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %gep, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
  ret <4 x i32> %res
}

define <4 x i32> @splat_index(ptr %base, i64 %index) {
; CHECK-LABEL: @splat_index(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i32, ptr [[BASE:%.*]], i64 [[INDEX:%.*]]
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i32, ptr [[TMP1]], <4 x i64> zeroinitializer
; CHECK-NEXT:    [[RES:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[TMP2]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
; CHECK-NEXT:    ret <4 x i32> [[RES]]
;
  %broadcast.splatinsert = insertelement <4 x i64> undef, i64 %index, i32 0
  %broadcast.splat = shufflevector <4 x i64> %broadcast.splatinsert, <4 x i64> undef, <4 x i32> zeroinitializer
  %gep = getelementptr i32, ptr %base, <4 x i64> %broadcast.splat
  %res = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %gep, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
  ret <4 x i32> %res
}

define <4 x i32> @test_global_array(<4 x i64> %indxs) {
; CHECK-LABEL: @test_global_array(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i32, ptr @glob_array, <4 x i64> [[INDXS:%.*]]
; CHECK-NEXT:    [[G:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[TMP1]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
; CHECK-NEXT:    ret <4 x i32> [[G]]
;
  %p = getelementptr inbounds [16 x i32], ptr @glob_array, i64 0, <4 x i64> %indxs
  %g = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %p, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
  ret <4 x i32> %g
}

define <4 x i32> @global_struct_splat() {
; CHECK-LABEL: @global_struct_splat(
; CHECK-NEXT:    [[TMP1:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> <ptr getelementptr inbounds (%struct.a, ptr @c, i64 0, i32 1), ptr getelementptr inbounds (%struct.a, ptr @c, i64 0, i32 1), ptr getelementptr inbounds (%struct.a, ptr @c, i64 0, i32 1), ptr getelementptr inbounds (%struct.a, ptr @c, i64 0, i32 1)>, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
; CHECK-NEXT:    ret <4 x i32> [[TMP1]]
;
  %1 = insertelement <4 x ptr> undef, ptr @c, i32 0
  %2 = shufflevector <4 x ptr> %1, <4 x ptr> undef, <4 x i32> zeroinitializer
  %3 = getelementptr %struct.a, <4 x ptr> %2, <4 x i64> zeroinitializer, i32 1
  %4 = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %3, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
  ret <4 x i32> %4
}

define <4 x i32> @splat_ptr_gather(ptr %ptr, <4 x i1> %mask, <4 x i32> %passthru) {
; CHECK-LABEL: @splat_ptr_gather(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i32, ptr [[PTR:%.*]], <4 x i64> zeroinitializer
; CHECK-NEXT:    [[TMP2:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> [[TMP1]], i32 4, <4 x i1> [[MASK:%.*]], <4 x i32> [[PASSTHRU:%.*]])
; CHECK-NEXT:    ret <4 x i32> [[TMP2]]
;
  %1 = insertelement <4 x ptr> undef, ptr %ptr, i32 0
  %2 = shufflevector <4 x ptr> %1, <4 x ptr> undef, <4 x i32> zeroinitializer
  %3 = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %2, i32 4, <4 x i1> %mask, <4 x i32> %passthru)
  ret <4 x i32> %3
}

define void @splat_ptr_scatter(ptr %ptr, <4 x i1> %mask, <4 x i32> %val) {
; CHECK-LABEL: @splat_ptr_scatter(
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i32, ptr [[PTR:%.*]], <4 x i64> zeroinitializer
; CHECK-NEXT:    call void @llvm.masked.scatter.v4i32.v4p0(<4 x i32> [[VAL:%.*]], <4 x ptr> [[TMP1]], i32 4, <4 x i1> [[MASK:%.*]])
; CHECK-NEXT:    ret void
;
  %1 = insertelement <4 x ptr> undef, ptr %ptr, i32 0
  %2 = shufflevector <4 x ptr> %1, <4 x ptr> undef, <4 x i32> zeroinitializer
  call void @llvm.masked.scatter.v4i32.v4p0(<4 x i32> %val, <4 x ptr> %2, i32 4, <4 x i1> %mask)
  ret void
}

declare <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr>, i32, <4 x i1>, <4 x i32>)
declare void @llvm.masked.scatter.v4i32.v4p0(<4 x i32>, <4 x ptr>, i32, <4 x i1>)