test/CodeGen/AMDGPU/widen_extending_scalar_loads.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-codegenprepare -amdgpu-codegenprepare-widen-constant-loads < %s | FileCheck -check-prefix=OPT %s

declare ptr addrspace(4) @llvm.amdgcn.dispatch.ptr() #0

define amdgpu_kernel void @constant_load_i1(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i1(
; OPT-NEXT:    [[VAL:%.*]] = load i1, ptr addrspace(4) [[IN:%.*]], align 1
; OPT-NEXT:    store i1 [[VAL]], ptr addrspace(1) [[OUT:%.*]], align 1
; OPT-NEXT:    ret void
;
  %val = load i1, ptr addrspace(4) %in
  store i1 %val, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i1_align2(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i1_align2(
; OPT-NEXT:    [[VAL:%.*]] = load i1, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    store i1 [[VAL]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %val = load i1, ptr addrspace(4) %in, align 2
  store i1 %val, ptr addrspace(1) %out, align 2
  ret void
}

define amdgpu_kernel void @constant_load_i1_align4(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i1_align4(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i1
; OPT-NEXT:    store i1 [[TMP3]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %val = load i1, ptr addrspace(4) %in, align 4
  store i1 %val, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @constant_load_i8(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i8(
; OPT-NEXT:    [[VAL:%.*]] = load i8, ptr addrspace(4) [[IN:%.*]], align 1
; OPT-NEXT:    store i8 [[VAL]], ptr addrspace(1) [[OUT:%.*]], align 1
; OPT-NEXT:    ret void
;
  %val = load i8, ptr addrspace(4) %in
  store i8 %val, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i8_align2(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i8_align2(
; OPT-NEXT:    [[VAL:%.*]] = load i8, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    store i8 [[VAL]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %val = load i8, ptr addrspace(4) %in, align 2
  store i8 %val, ptr addrspace(1) %out, align 2
  ret void
}

define amdgpu_kernel void @constant_load_i8align4(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i8align4(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i8
; OPT-NEXT:    store i8 [[TMP3]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %val = load i8, ptr addrspace(4) %in, align 4
  store i8 %val, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @constant_load_v2i8(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_v2i8(
; OPT-NEXT:    [[LD:%.*]] = load <2 x i8>, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    store <2 x i8> [[LD]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %ld = load <2 x i8>, ptr addrspace(4) %in
  store <2 x i8> %ld, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_v2i8_align4(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_v2i8_align4(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[TMP4:%.*]] = bitcast i16 [[TMP3]] to <2 x i8>
; OPT-NEXT:    store <2 x i8> [[TMP4]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load <2 x i8>, ptr addrspace(4) %in, align 4
  store <2 x i8> %ld, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @constant_load_v3i8(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_v3i8(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i24
; OPT-NEXT:    [[TMP4:%.*]] = bitcast i24 [[TMP3]] to <3 x i8>
; OPT-NEXT:    store <3 x i8> [[TMP4]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load <3 x i8>, ptr addrspace(4) %in
  store <3 x i8> %ld, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_v3i8_align4(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_v3i8_align4(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i24
; OPT-NEXT:    [[TMP4:%.*]] = bitcast i24 [[TMP3]] to <3 x i8>
; OPT-NEXT:    store <3 x i8> [[TMP4]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load <3 x i8>, ptr addrspace(4) %in, align 4
  store <3 x i8> %ld, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @constant_load_i16(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16(
; OPT-NEXT:    [[LD:%.*]] = load i16, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[LD]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @constant_load_f16(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_f16(
; OPT-NEXT:    [[LD:%.*]] = load half, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    store half [[LD]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %ld = load half, ptr addrspace(4) %in
  store half %ld, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_v2f16(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_v2f16(
; OPT-NEXT:    [[LD:%.*]] = load <2 x half>, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    store <2 x half> [[LD]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load <2 x half>, ptr addrspace(4) %in
  store <2 x half> %ld, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @load_volatile(ptr addrspace(1) %out, ptr addrspace(4) %in) {
; OPT-LABEL: @load_volatile(
; OPT-NEXT:    [[A:%.*]] = load volatile i16, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    store i16 [[A]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %a = load volatile i16, ptr addrspace(4) %in
  store i16 %a, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_v2i8_volatile(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_v2i8_volatile(
; OPT-NEXT:    [[LD:%.*]] = load volatile <2 x i8>, ptr addrspace(4) [[IN:%.*]], align 2
; OPT-NEXT:    store <2 x i8> [[LD]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %ld = load volatile <2 x i8>, ptr addrspace(4) %in
  store <2 x i8> %ld, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_v2i8_addrspace1(ptr addrspace(1) %out, ptr addrspace(1) %in) #0 {
; OPT-LABEL: @constant_load_v2i8_addrspace1(
; OPT-NEXT:    [[LD:%.*]] = load <2 x i8>, ptr addrspace(1) [[IN:%.*]], align 2
; OPT-NEXT:    store <2 x i8> [[LD]], ptr addrspace(1) [[OUT:%.*]], align 2
; OPT-NEXT:    ret void
;
  %ld = load <2 x i8>, ptr addrspace(1) %in
  store <2 x i8> %ld, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @use_dispatch_ptr(ptr addrspace(1) %ptr) #1 {
; OPT-LABEL: @use_dispatch_ptr(
; OPT-NEXT:    [[DISPATCH_PTR:%.*]] = call ptr addrspace(4) @llvm.amdgcn.dispatch.ptr()
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[DISPATCH_PTR]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i8
; OPT-NEXT:    [[LD:%.*]] = zext i8 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[LD]], ptr addrspace(1) [[PTR:%.*]], align 4
; OPT-NEXT:    ret void
;
  %dispatch.ptr = call ptr addrspace(4) @llvm.amdgcn.dispatch.ptr()
  %val = load i8, ptr addrspace(4) %dispatch.ptr, align 4
  %ld = zext i8 %val to i32
  store i32 %ld, ptr addrspace(1) %ptr
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_range(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_range(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4, !range [[RNG0:![0-9]+]]
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !range !0
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_range_max(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_range_max(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4, !range [[RNG0]]
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !range !1
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_complex_range(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_complex_range(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4, !range [[RNG1:![0-9]+]]
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !range !2
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_range_from_0(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_range_from_0(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !range !3
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_range_from_neg(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_range_from_neg(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4, !range [[RNG2:![0-9]+]]
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !range !4
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_range_from_neg_to_0(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_range_from_neg_to_0(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4, !range [[RNG2]]
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !range !5
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @constant_load_i16_align4_invariant(ptr addrspace(1) %out, ptr addrspace(4) %in) #0 {
; OPT-LABEL: @constant_load_i16_align4_invariant(
; OPT-NEXT:    [[TMP2:%.*]] = load i32, ptr addrspace(4) [[IN:%.*]], align 4, !invariant.load !3
; OPT-NEXT:    [[TMP3:%.*]] = trunc i32 [[TMP2]] to i16
; OPT-NEXT:    [[EXT:%.*]] = sext i16 [[TMP3]] to i32
; OPT-NEXT:    store i32 [[EXT]], ptr addrspace(1) [[OUT:%.*]], align 4
; OPT-NEXT:    ret void
;
  %ld = load i16, ptr addrspace(4) %in, align 4, !invariant.load !6
  %ext = sext i16 %ld to i32
  store i32 %ext, ptr addrspace(1) %out
  ret void
}

attributes #0 = { nounwind }

; OPT: !0 = !{i32 5, i32 0}
; OPT: !1 = !{i32 8, i32 0}
; OPT: !2 = !{i32 65520, i32 0}
; OPT: !3 = !{}

!0 = !{i16 5, i16 500}
!1 = !{i16 5, i16 -1}
!2 = !{i16 8, i16 12, i16 42, i16 99}
!3 = !{i16 0, i16 255}
!4 = !{i16 -16, i16 16}
!5 = !{i16 -16, i16 0}
!6 = !{}