llvm/test/CodeGen/AMDGPU/lower-buffer-fat-pointers-constants.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -amdgpu-lower-buffer-fat-pointers < %s | FileCheck %s
; RUN: opt -S -passes=amdgpu-lower-buffer-fat-pointers < %s | FileCheck %s

target triple = "amdgpu9.00--"

@buf = external addrspace(8) global i8
@flat = external global i8

define ptr addrspace(7) @null() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @null() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } zeroinitializer
;
  ret ptr addrspace(7) null
}

define <2 x ptr addrspace(7)> @null_vector() {
; CHECK-LABEL: define { <2 x ptr addrspace(8)>, <2 x i32> } @null_vector() {
; CHECK-NEXT:    ret { <2 x ptr addrspace(8)>, <2 x i32> } zeroinitializer
;
  ret <2 x ptr addrspace(7)> zeroinitializer
}

define ptr addrspace(7) @undef() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @undef() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } undef
;
  ret ptr addrspace(7) undef
}

define <2 x ptr addrspace(7)> @undef_vec() {
; CHECK-LABEL: define { <2 x ptr addrspace(8)>, <2 x i32> } @undef_vec() {
; CHECK-NEXT:    ret { <2 x ptr addrspace(8)>, <2 x i32> } undef
;
  ret <2 x ptr addrspace(7)> undef
}

define ptr addrspace(7) @poison() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @poison() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } poison
;
  ret ptr addrspace(7) poison
}

define <2 x ptr addrspace(7)> @poison_vec() {
; CHECK-LABEL: define { <2 x ptr addrspace(8)>, <2 x i32> } @poison_vec() {
; CHECK-NEXT:    ret { <2 x ptr addrspace(8)>, <2 x i32> } poison
;
  ret <2 x ptr addrspace(7)> poison
}

define ptr addrspace(7) @cast_global() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @cast_global() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } { ptr addrspace(8) @buf, i32 0 }
;
  ret ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7))
}

define ptr addrspace(7) @cast_null() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @cast_null() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } zeroinitializer
;
  ret ptr addrspace(7) addrspacecast (ptr addrspace(8) null to ptr addrspace(7))
}

define <2 x ptr addrspace(7)> @cast_vec() {
; CHECK-LABEL: define { <2 x ptr addrspace(8)>, <2 x i32> } @cast_vec() {
; CHECK-NEXT:    ret { <2 x ptr addrspace(8)>, <2 x i32> } { <2 x ptr addrspace(8)> <ptr addrspace(8) @buf, ptr addrspace(8) null>, <2 x i32> zeroinitializer }
;
  ret <2 x ptr addrspace(7)> addrspacecast (
  <2 x ptr addrspace(8)> <ptr addrspace(8) @buf, ptr addrspace(8) null>
  to <2 x ptr addrspace(7)>)
}

define ptr addrspace(7) @gep() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @gep() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } { ptr addrspace(8) @buf, i32 36 }
;
  ret ptr addrspace(7) getelementptr inbounds (
  [4 x i32],
  ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  i64 2, i32 1)
}

define <2 x ptr addrspace(7)> @gep_vector() {
; CHECK-LABEL: define { <2 x ptr addrspace(8)>, <2 x i32> } @gep_vector() {
; CHECK-NEXT:    ret { <2 x ptr addrspace(8)>, <2 x i32> } { <2 x ptr addrspace(8)> <ptr addrspace(8) @buf, ptr addrspace(8) null>, <2 x i32> <i32 12, i32 4> }
;
  ret <2 x ptr addrspace(7)> getelementptr (
  i32,
  <2 x ptr addrspace(7)>
  <ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  ptr addrspace(7) null>,
  <2 x i32> <i32 3, i32 1>)
}

define ptr @gep_of_p7() {
; CHECK-LABEL: define ptr @gep_of_p7() {
; CHECK-NEXT:    ret ptr getelementptr inbounds (ptr addrspace(7), ptr @flat, i64 2)
;
  ret ptr getelementptr inbounds (ptr addrspace(7), ptr @flat, i64 2)
}

define ptr @gep_of_p7_vector() {
; CHECK-LABEL: define ptr @gep_of_p7_vector() {
; CHECK-NEXT:    ret ptr getelementptr (<2 x ptr addrspace(7)>, ptr @flat, i64 2)
;
  ret ptr getelementptr (<2 x ptr addrspace(7)>, ptr @flat, i64 2)
}

define ptr @gep_of_p7_struct() {
; CHECK-LABEL: define ptr @gep_of_p7_struct() {
; CHECK-NEXT:    ret ptr getelementptr ({ ptr addrspace(7), i32 }, ptr @flat, i64 2)
;
  ret ptr getelementptr ({ptr addrspace(7), i32}, ptr @flat, i64 2)
}

define ptr addrspace(7) @gep_p7_from_p7() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @gep_p7_from_p7() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } { ptr addrspace(8) @buf, i32 64 }
;
  ret ptr addrspace(7) getelementptr (ptr addrspace(7),
  ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  i64 2)
}

define i160 @ptrtoint() {
; CHECK-LABEL: define i160 @ptrtoint() {
; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw i160 ptrtoint (ptr addrspace(8) @buf to i160), 32
; CHECK-NEXT:    [[TMP2:%.*]] = or i160 [[TMP1]], 12
; CHECK-NEXT:    ret i160 [[TMP2]]
;
  ret i160 ptrtoint(
  ptr addrspace(7) getelementptr(
  i32, ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  i32 3) to i160)
}

define i256 @ptrtoint_long() {
; CHECK-LABEL: define i256 @ptrtoint_long() {
; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i256 ptrtoint (ptr addrspace(8) @buf to i256), 32
; CHECK-NEXT:    [[TMP2:%.*]] = or i256 [[TMP1]], 12
; CHECK-NEXT:    ret i256 [[TMP2]]
;
  ret i256 ptrtoint(
  ptr addrspace(7) getelementptr(
  i32, ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  i32 3) to i256)
}

define i64 @ptrtoint_short() {
; CHECK-LABEL: define i64 @ptrtoint_short() {
; CHECK-NEXT:    [[TMP1:%.*]] = shl i64 ptrtoint (ptr addrspace(8) @buf to i64), 32
; CHECK-NEXT:    [[TMP2:%.*]] = or i64 [[TMP1]], 12
; CHECK-NEXT:    ret i64 [[TMP2]]
;
  ret i64 ptrtoint(
  ptr addrspace(7) getelementptr(
  i32, ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  i32 3) to i64)
}

define i32 @ptrtoint_very_short() {
; CHECK-LABEL: define i32 @ptrtoint_very_short() {
; CHECK-NEXT:    ret i32 12
;
  ret i32 ptrtoint(
  ptr addrspace(7) getelementptr(
  i32, ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7)),
  i32 3) to i32)
}


define <2 x i160> @ptrtoint_vec() {
; CHECK-LABEL: define <2 x i160> @ptrtoint_vec() {
; CHECK-NEXT:    ret <2 x i160> zeroinitializer
;
  ret <2 x i160> ptrtoint (<2 x ptr addrspace(7)> zeroinitializer to <2 x i160>)
}

define ptr addrspace(7) @inttoptr() {
; CHECK-LABEL: define { ptr addrspace(8), i32 } @inttoptr() {
; CHECK-NEXT:    ret { ptr addrspace(8), i32 } zeroinitializer
;
  ret ptr addrspace(7) inttoptr (i160 0 to ptr addrspace(7))
}

define <2 x ptr addrspace(7)> @inttoptr_vec() {
; CHECK-LABEL: define { <2 x ptr addrspace(8)>, <2 x i32> } @inttoptr_vec() {
; CHECK-NEXT:    ret { <2 x ptr addrspace(8)>, <2 x i32> } { <2 x ptr addrspace(8)> splat (ptr addrspace(8) null), <2 x i32> <i32 1, i32 2> }
;
  ret <2 x ptr addrspace(7)> inttoptr (<2 x i160> <i160 1, i160 2> to <2 x ptr addrspace(7)>)
}

define i32 @fancy_zero() {
; CHECK-LABEL: define i32 @fancy_zero() {
; CHECK-NEXT:    ret i32 0
;
  ret i32 ptrtoint (
  ptr addrspace(7) addrspacecast (ptr addrspace(8) @buf to ptr addrspace(7))
  to i32)
}

define i32 @load_null() {
; CHECK-LABEL: define i32 @load_null() {
; CHECK-NEXT:    [[X:%.*]] = call i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8) align 4 null, i32 0, i32 0, i32 0)
; CHECK-NEXT:    ret i32 [[X]]
;
  %x = load i32, ptr addrspace(7) null, align 4
  ret i32 %x
}

define void @store_null() {
; CHECK-LABEL: define void @store_null() {
; CHECK-NEXT:    call void @llvm.amdgcn.raw.ptr.buffer.store.i32(i32 0, ptr addrspace(8) align 4 null, i32 0, i32 0, i32 0)
; CHECK-NEXT:    ret void
;
  store i32 0, ptr addrspace(7) null, align 4
  ret void
}

define i32 @load_poison() {
; CHECK-LABEL: define i32 @load_poison() {
; CHECK-NEXT:    [[X:%.*]] = call i32 @llvm.amdgcn.raw.ptr.buffer.load.i32(ptr addrspace(8) align 4 poison, i32 poison, i32 0, i32 0)
; CHECK-NEXT:    ret i32 [[X]]
;
  %x = load i32, ptr addrspace(7) poison, align 4
  ret i32 %x
}

define void @store_poison() {
; CHECK-LABEL: define void @store_poison() {
; CHECK-NEXT:    call void @llvm.amdgcn.raw.ptr.buffer.store.i32(i32 0, ptr addrspace(8) align 4 poison, i32 poison, i32 0, i32 0)
; CHECK-NEXT:    ret void
;
  store i32 0, ptr addrspace(7) poison, align 4
  ret void
}