llvm/test/Transforms/InstCombine/AMDGPU/mbcnt.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --scrub-attributes --version 2
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=instcombine < %s | FileCheck --check-prefixes=DEFAULT,CHECK %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mattr=+wavefrontsize32 -passes=instcombine < %s | FileCheck --check-prefixes=WAVE32,CHECK %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mattr=+wavefrontsize64 -passes=instcombine < %s | FileCheck --check-prefixes=WAVE64,CHECK %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -passes=instcombine < %s | FileCheck --check-prefixes=WAVE32,CHECK %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -mattr=+wavefrontsize64 -passes=instcombine < %s | FileCheck --check-prefixes=WAVE64,CHECK %s

declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32)
declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32)

define i32 @mbcnt_lo(i32 %x, i32 %y) {
; DEFAULT-LABEL: define i32 @mbcnt_lo
; DEFAULT-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 [[X]], i32 [[Y]])
; DEFAULT-NEXT:    ret i32 [[LO]]
;
; WAVE32-LABEL: define i32 @mbcnt_lo
; WAVE32-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) #[[ATTR1:[0-9]+]] {
; WAVE32-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 [[X]], i32 [[Y]])
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @mbcnt_lo
; WAVE64-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) #[[ATTR1:[0-9]+]] {
; WAVE64-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 [[X]], i32 [[Y]])
; WAVE64-NEXT:    ret i32 [[LO]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 %x, i32 %y)
  ret i32 %lo
}

define i32 @mbcnt_hi(i32 %x, i32 %y) {
; DEFAULT-LABEL: define i32 @mbcnt_hi
; DEFAULT-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) {
; DEFAULT-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 [[X]], i32 [[Y]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @mbcnt_hi
; WAVE32-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    ret i32 [[Y]]
;
; WAVE64-LABEL: define i32 @mbcnt_hi
; WAVE64-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 [[X]], i32 [[Y]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 %x, i32 %y)
  ret i32 %hi
}

define i32 @mbcnt_lo_hi(i32 %x, i32 %y, i32 %z) {
; DEFAULT-LABEL: define i32 @mbcnt_lo_hi
; DEFAULT-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]], i32 [[Z:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 [[X]], i32 [[Y]])
; DEFAULT-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 [[Z]], i32 [[LO]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @mbcnt_lo_hi
; WAVE32-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]], i32 [[Z:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 [[X]], i32 [[Y]])
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @mbcnt_lo_hi
; WAVE64-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]], i32 [[Z:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 [[X]], i32 [[Y]])
; WAVE64-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 [[Z]], i32 [[LO]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 %x, i32 %y)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 %z, i32 %lo)
  ret i32 %hi
}

define i32 @ockl_lane_u32() {
; DEFAULT-LABEL: define i32 @ockl_lane_u32() {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 65) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @ockl_lane_u32
; WAVE32-SAME: () #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @ockl_lane_u32
; WAVE64-SAME: () #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 65) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
  ret i32 %hi
}

define i32 @mbcnt_lo_and63() {
; DEFAULT-LABEL: define i32 @mbcnt_lo_and63() {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; DEFAULT-NEXT:    ret i32 [[LO]]
;
; WAVE32-LABEL: define i32 @mbcnt_lo_and63
; WAVE32-SAME: () #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @mbcnt_lo_and63
; WAVE64-SAME: () #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE64-NEXT:    ret i32 [[LO]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
  %and = and i32 %lo, 63
  ret i32 %lo
}

define i32 @mbcnt_hi_and31() {
; DEFAULT-LABEL: define i32 @mbcnt_hi_and31() {
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 0)
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @mbcnt_hi_and31
; WAVE32-SAME: () #[[ATTR1]] {
; WAVE32-NEXT:    ret i32 0
;
; WAVE64-LABEL: define i32 @mbcnt_hi_and31
; WAVE64-SAME: () #[[ATTR1]] {
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 0)
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 0)
  %and = and i32 %hi, 31
  ret i32 %and
}

define i32 @ockl_lane_u32_and127() {
; DEFAULT-LABEL: define i32 @ockl_lane_u32_and127() {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 65) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @ockl_lane_u32_and127
; WAVE32-SAME: () #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @ockl_lane_u32_and127
; WAVE64-SAME: () #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 65) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
  %and = and i32 %hi, 127
  ret i32 %and
}

define i32 @known_range_mbcnt_lo(i32 %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; DEFAULT-NEXT:    ret i32 [[LO]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; WAVE64-NEXT:    ret i32 [[LO]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 %unknown, i32 0)
  %min = call i32 @llvm.umin.i32(i32 %lo, i32 32)
  ret i32 %min
}

define i32 @mbcnt_lo_add_unknown(i32 %unknown) {
; DEFAULT-LABEL: define i32 @mbcnt_lo_add_unknown
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; DEFAULT-NEXT:    ret i32 [[LO]]
;
; WAVE32-LABEL: define i32 @mbcnt_lo_add_unknown
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @mbcnt_lo_add_unknown
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE64-NEXT:    ret i32 [[LO]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 %unknown)
  ret i32 %lo
}

define i32 @mbcnt_hi_add_unknown(i32 %unknown) {
; DEFAULT-LABEL: define i32 @mbcnt_hi_add_unknown
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[UNKNOWN]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @mbcnt_hi_add_unknown
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    ret i32 [[UNKNOWN]]
;
; WAVE64-LABEL: define i32 @mbcnt_hi_add_unknown
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[UNKNOWN]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %unknown)
  ret i32 %hi
}

define i32 @known_range_mbcnt_hi(i32 %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_hi
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.hi(i32 [[UNKNOWN]], i32 0)
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_hi
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    ret i32 0
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_hi
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.hi(i32 [[UNKNOWN]], i32 0)
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 %unknown, i32 0)
  %min = call i32 @llvm.umin.i32(i32 %hi, i32 32)
  ret i32 %min
}

define i32 @known_range_mbcnt_lo_hi() {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo_hi() {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 65) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo_hi
; WAVE32-SAME: () #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo_hi
; WAVE64-SAME: () #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 65) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
  %min = call i32 @llvm.umin.i32(i32 %hi, i32 64)
  ret i32 %min
}

define i32 @known_range_mbcnt_lo_hi_add_unknown(i32 %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo_hi_add_unknown
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; DEFAULT-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; DEFAULT-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[HI]], i32 64)
; DEFAULT-NEXT:    ret i32 [[MIN]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo_hi_add_unknown
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE32-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[LO]], i32 64)
; WAVE32-NEXT:    ret i32 [[MIN]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo_hi_add_unknown
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE64-NEXT:    [[HI:%.*]] = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; WAVE64-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[HI]], i32 64)
; WAVE64-NEXT:    ret i32 [[MIN]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 %unknown)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
  %min = call i32 @llvm.umin.i32(i32 %hi, i32 64)
  ret i32 %min
}

define i32 @known_range_mbcnt_lo_hi_add_known_range_unfoldable(i32 range(i32 0, 2) %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo_hi_add_known_range_unfoldable
; DEFAULT-SAME: (i32 range(i32 0, 2) [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 34) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 66) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; DEFAULT-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[HI]], i32 64)
; DEFAULT-NEXT:    ret i32 [[MIN]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo_hi_add_known_range_unfoldable
; WAVE32-SAME: (i32 range(i32 0, 2) [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 34) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo_hi_add_known_range_unfoldable
; WAVE64-SAME: (i32 range(i32 0, 2) [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 34) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 66) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; WAVE64-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[HI]], i32 64)
; WAVE64-NEXT:    ret i32 [[MIN]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 %unknown)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
  %min = call i32 @llvm.umin.i32(i32 %hi, i32 64)
  ret i32 %min
}

define i32 @known_range_mbcnt_lo_hi_add_known_range_foldable(i32 range(i32 0, 2) %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo_hi_add_known_range_foldable
; DEFAULT-SAME: (i32 range(i32 0, 2) [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 34) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; DEFAULT-NEXT:    [[HI:%.*]] = call range(i32 0, 66) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; DEFAULT-NEXT:    ret i32 [[HI]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo_hi_add_known_range_foldable
; WAVE32-SAME: (i32 range(i32 0, 2) [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 34) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo_hi_add_known_range_foldable
; WAVE64-SAME: (i32 range(i32 0, 2) [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 34) i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 [[UNKNOWN]])
; WAVE64-NEXT:    [[HI:%.*]] = call range(i32 0, 66) i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 [[LO]])
; WAVE64-NEXT:    ret i32 [[HI]]
;
  %lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 %unknown)
  %hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
  %min = call i32 @llvm.umin.i32(i32 %hi, i32 65)
  ret i32 %min
}

define i32 @known_range_mbcnt_lo_existing_stricter_range(i32 %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo_existing_stricter_range
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 16) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; DEFAULT-NEXT:    ret i32 [[LO]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo_existing_stricter_range
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 16) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo_existing_stricter_range
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 16) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; WAVE64-NEXT:    ret i32 [[LO]]
;
  %lo = call range(i32 0, 16) i32 @llvm.amdgcn.mbcnt.lo(i32 %unknown, i32 0)
  ret i32 %lo
}

define i32 @known_range_mbcnt_lo_refineable_range(i32 %unknown) {
; DEFAULT-LABEL: define i32 @known_range_mbcnt_lo_refineable_range
; DEFAULT-SAME: (i32 [[UNKNOWN:%.*]]) {
; DEFAULT-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; DEFAULT-NEXT:    ret i32 [[LO]]
;
; WAVE32-LABEL: define i32 @known_range_mbcnt_lo_refineable_range
; WAVE32-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE32-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; WAVE32-NEXT:    ret i32 [[LO]]
;
; WAVE64-LABEL: define i32 @known_range_mbcnt_lo_refineable_range
; WAVE64-SAME: (i32 [[UNKNOWN:%.*]]) #[[ATTR1]] {
; WAVE64-NEXT:    [[LO:%.*]] = call range(i32 0, 33) i32 @llvm.amdgcn.mbcnt.lo(i32 [[UNKNOWN]], i32 0)
; WAVE64-NEXT:    ret i32 [[LO]]
;
  %lo = call range(i32 0, 128) i32 @llvm.amdgcn.mbcnt.lo(i32 %unknown, i32 0)
  ret i32 %lo
}

;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}