llvm/test/CodeGen/X86/AMX/amx-combine.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt --codegen-opt-level=2 -mtriple=x86_64 -lower-amx-type %s -S | FileCheck %s

define void @combine_store(ptr%p) {
; CHECK-LABEL: @combine_store(
; CHECK-NEXT:    [[T1:%.*]] = call x86_amx @llvm.x86.tilezero.internal(i16 16, i16 64)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[P:%.*]], i64 64, x86_amx [[T1]])
; CHECK-NEXT:    ret void
;
  %t1 = call x86_amx @llvm.x86.tilezero.internal(i16 16, i16 64)
  %t2 = call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %t1)
  store <256 x i32> %t2, ptr %p, align 64
  ret void
}

define <256 x i32> @combine_store_2user(ptr%p) {
; CHECK-LABEL: @combine_store_2user(
; CHECK-NEXT:    [[TMP1:%.*]] = alloca <256 x i32>, align 64
; CHECK-NEXT:    [[T1:%.*]] = call x86_amx @llvm.x86.tilezero.internal(i16 16, i16 64)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[TMP1]], i64 64, x86_amx [[T1]])
; CHECK-NEXT:    [[TMP2:%.*]] = load <256 x i32>, ptr [[TMP1]], align 1024
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[P:%.*]], i64 64, x86_amx [[T1]])
; CHECK-NEXT:    ret <256 x i32> [[TMP2]]
;
  %t1 = call x86_amx @llvm.x86.tilezero.internal(i16 16, i16 64)
  %t2 = call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %t1)
  store <256 x i32> %t2, ptr %p, align 64
  ret <256 x i32> %t2
}

define void @combine_load(ptr%p, ptr%p2) {
; CHECK-LABEL: @combine_load(
; CHECK-NEXT:    [[TMP1:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, ptr [[P:%.*]], i64 64)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[P2:%.*]], i64 64, x86_amx [[TMP1]])
; CHECK-NEXT:    ret void
;
  %t1 = load <256 x i32>, ptr %p, align 64
  %t2 = call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %t1)
  call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr %p2, i64 64, x86_amx %t2)
  ret void
}

define void @combine_cast_across_store(ptr%p, ptr%p2) {
; CHECK-LABEL: @combine_cast_across_store(
; CHECK-NEXT:    [[TMP1:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, ptr [[P:%.*]], i64 64)
; CHECK-NEXT:    store <256 x i32> zeroinitializer, ptr [[P]], align 64
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[P2:%.*]], i64 64, x86_amx [[TMP1]])
; CHECK-NEXT:    ret void
;
  %t1 = load <256 x i32>, ptr %p, align 64
  store <256 x i32> zeroinitializer, ptr %p, align 64
  %t2 = call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %t1)
  call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr %p2, i64 64, x86_amx %t2)
  ret void
}

define <256 x i32> @combine_load_2user(ptr%p, ptr%p2) {
; CHECK-LABEL: @combine_load_2user(
; CHECK-NEXT:    [[TMP1:%.*]] = alloca <256 x i32>, align 64
; CHECK-NEXT:    [[T1:%.*]] = load <256 x i32>, ptr [[P:%.*]], align 64
; CHECK-NEXT:    store <256 x i32> [[T1]], ptr [[TMP1]], align 1024
; CHECK-NEXT:    [[TMP2:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 64, ptr [[TMP1]], i64 64)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[P2:%.*]], i64 64, x86_amx [[TMP2]])
; CHECK-NEXT:    ret <256 x i32> [[T1]]
;
  %t1 = load <256 x i32>, ptr %p, align 64
  %t2 = call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %t1)
  call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr %p2, i64 64, x86_amx %t2)
  %t3 = call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %t2)
  ret <256 x i32> %t3
}

define <256 x i32> @combine_load_3user(ptr%p, ptr%p2) {
; CHECK-LABEL: @combine_load_3user(
; CHECK-NEXT:    [[TMP1:%.*]] = alloca <256 x i32>, align 64
; CHECK-NEXT:    [[T1:%.*]] = load <256 x i32>, ptr [[P:%.*]], align 64
; CHECK-NEXT:    store <256 x i32> [[T1]], ptr [[TMP1]], align 1024
; CHECK-NEXT:    [[TMP2:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 16, i16 16, ptr [[TMP1]], i64 16)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr [[P2:%.*]], i64 64, x86_amx [[TMP2]])
; CHECK-NEXT:    [[TMP3:%.*]] = call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 16, i16 64, x86_amx [[TMP2]], x86_amx [[TMP2]], x86_amx [[TMP2]])
; CHECK-NEXT:    ret <256 x i32> [[T1]]
;
  %t1 = load <256 x i32>, ptr %p, align 64
  %t2 = call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %t1)
  call void @llvm.x86.tilestored64.internal(i16 16, i16 64, ptr %p2, i64 64, x86_amx %t2)
  %t3 = call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx %t2)
  call x86_amx @llvm.x86.tdpbssd.internal(i16 16, i16 16, i16 64, x86_amx %t2, x86_amx %t2, x86_amx %t2)
  ret <256 x i32> %t3
}

; the shape is loaded after tile.
%struct.__tile1024i_str = type <{ i16, i16, [60 x i8], <256 x i32> }>
define void @test_tile_dpbssd(ptr byval(%struct.__tile1024i_str) align 64 %a, ptr byval(%struct.__tile1024i_str) align 64 %b, ptr byval(%struct.__tile1024i_str) align 64 %c) {
; CHECK-LABEL: @test_tile_dpbssd(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = alloca <256 x i32>, align 64
; CHECK-NEXT:    [[B_ROW_PTR:%.*]] = getelementptr inbounds i8, ptr [[B:%.*]], i64 2
; CHECK-NEXT:    [[B_ROW:%.*]] = load i16, ptr [[B_ROW_PTR]], align 2
; CHECK-NEXT:    [[B_TILE_PTR:%.*]] = getelementptr inbounds i8, ptr [[B]], i64 64
; CHECK-NEXT:    [[TMP1:%.*]] = sext i16 [[B_ROW]] to i64
; CHECK-NEXT:    [[B_TILE:%.*]] = load <256 x i32>, ptr [[B_TILE_PTR]], align 64
; CHECK-NEXT:    store <256 x i32> [[B_TILE]], ptr [[TMP0]], align 1024
; CHECK-NEXT:    [[A_ROW:%.*]] = load i16, ptr [[A:%.*]], align 64
; CHECK-NEXT:    [[A_COL_PTR:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 2
; CHECK-NEXT:    [[A_COL:%.*]] = load i16, ptr [[A_COL_PTR]], align 2
; CHECK-NEXT:    [[TMP2:%.*]] = udiv i16 [[A_COL]], 4
; CHECK-NEXT:    [[A_TILE_PTR:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 64
; CHECK-NEXT:    [[TMP3:%.*]] = sext i16 [[A_COL]] to i64
; CHECK-NEXT:    [[TMP4:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 [[A_ROW]], i16 [[A_COL]], ptr [[A_TILE_PTR]], i64 [[TMP3]])
; CHECK-NEXT:    [[C_TILE_PTR:%.*]] = getelementptr inbounds [[STRUCT___TILE1024I_STR:%.*]], ptr [[C:%.*]], i64 0, i32 3
; CHECK-NEXT:    [[TMP5:%.*]] = sext i16 [[B_ROW]] to i64
; CHECK-NEXT:    [[TMP6:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 [[A_ROW]], i16 [[B_ROW]], ptr [[C_TILE_PTR]], i64 [[TMP5]])
; CHECK-NEXT:    [[TMP7:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 [[TMP2]], i16 [[B_ROW]], ptr [[TMP0]], i64 [[TMP1]])
; CHECK-NEXT:    [[RES:%.*]] = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 [[A_ROW]], i16 [[B_ROW]], i16 [[A_COL]], x86_amx [[TMP6]], x86_amx [[TMP4]], x86_amx [[TMP7]])
; CHECK-NEXT:    ret void
;
entry:
  %b.row.ptr= getelementptr inbounds i8, ptr %b, i64 2
  %b.row = load i16, ptr %b.row.ptr, align 2
  %b.tile.ptr = getelementptr inbounds i8, ptr %b, i64 64
  %b.tile = load <256 x i32>, ptr %b.tile.ptr, align 64
  %a.row = load i16, ptr %a, align 64
  %a.col.ptr = getelementptr inbounds i8, ptr %a, i64 2
  %a.col = load i16, ptr %a.col.ptr, align 2
  %a.tile.ptr = getelementptr inbounds i8, ptr %a, i64 64
  %a.tile = load <256 x i32>, ptr %a.tile.ptr, align 64
  %c.tile.ptr = getelementptr inbounds %struct.__tile1024i_str, ptr %c, i64 0, i32 3
  %c.tile = load <256 x i32>, ptr %c.tile.ptr, align 64
  %c.amx = tail call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %c.tile)
  %a.amx = tail call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %a.tile)
  %b.amx = tail call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> %b.tile)
  %res = tail call x86_amx @llvm.x86.tdpbssd.internal(i16 %a.row, i16 %b.row, i16 %a.col, x86_amx %c.amx, x86_amx %a.amx, x86_amx %b.amx)
  ret void
}

define void @combine_v256i8amcast_with_store(ptr %src_ptr, ptr %dst_ptr) {
; CHECK-LABEL: @combine_v256i8amcast_with_store(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TILE:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 8, i16 32, ptr [[SRC_PTR:%.*]], i64 64)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 8, i16 32, ptr [[DST_PTR:%.*]], i64 32, x86_amx [[TILE]])
; CHECK-NEXT:    ret void
;
entry:
  %tile = call x86_amx @llvm.x86.tileloadd64.internal(i16 8, i16 32, ptr %src_ptr, i64 64)
  %vec = call <256 x i8> @llvm.x86.cast.tile.to.vector.v256i8(x86_amx %tile)
  store <256 x i8> %vec, ptr %dst_ptr, align 256
  ret void
}

define void @combine_v256i8amcast_with_load(ptr %src_ptr, ptr %dst_ptr) {
; CHECK-LABEL: @combine_v256i8amcast_with_load(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = call x86_amx @llvm.x86.tileloadd64.internal(i16 8, i16 32, ptr [[SRC_PTR:%.*]], i64 32)
; CHECK-NEXT:    call void @llvm.x86.tilestored64.internal(i16 8, i16 32, ptr [[DST_PTR:%.*]], i64 32, x86_amx [[TMP0]])
; CHECK-NEXT:    ret void
;
entry:
  %vec = load <256 x i8>, ptr %src_ptr, align 256
  %tile = call x86_amx @llvm.x86.cast.vector.to.tile.v256i8(<256 x i8> %vec)
  call void @llvm.x86.tilestored64.internal(i16 8, i16 32, ptr %dst_ptr, i64 32, x86_amx %tile)
  ret void
}

declare x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32>)
declare <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx)
declare x86_amx @llvm.x86.cast.vector.to.tile.v256i8(<256 x i8>)
declare <256 x i8> @llvm.x86.cast.tile.to.vector.v256i8(x86_amx)
declare x86_amx @llvm.x86.tilezero.internal(i16, i16)
declare x86_amx @llvm.x86.tileloadd64.internal(i16, i16, ptr, i64)
declare void @llvm.x86.tilestored64.internal(i16, i16, ptr, i64, x86_amx)
declare x86_amx @llvm.x86.tdpbssd.internal(i16, i16, i16, x86_amx, x86_amx, x86_amx)