llvm/test/Transforms/CodeGenPrepare/unfold-pow2-test.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -p 'require<profile-summary>,function(codegenprepare)' -S %s \
; RUN:   | FileCheck %s --check-prefix=SLOW
; RUN: opt -p 'require<profile-summary>,function(codegenprepare)' -S --mattr=+zbb %s \
; RUN:   | FileCheck %s --check-prefix=FAST
; REQUIRES: riscv-registered-target

target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
target triple = "riscv64"

define i1 @test_ult_2(i64 %x) {
; SLOW-LABEL: define i1 @test_ult_2(
; SLOW-SAME: i64 [[X:%.*]]) {
; SLOW-NEXT:    [[TMP0:%.*]] = add i64 [[X]], -1
; SLOW-NEXT:    [[TMP1:%.*]] = and i64 [[X]], [[TMP0]]
; SLOW-NEXT:    [[CMP1:%.*]] = icmp eq i64 [[TMP1]], 0
; SLOW-NEXT:    ret i1 [[CMP1]]
;
; FAST-LABEL: define i1 @test_ult_2(
; FAST-SAME: i64 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; FAST-NEXT:    [[CTPOP:%.*]] = call i64 @llvm.ctpop.i64(i64 [[X]])
; FAST-NEXT:    [[CMP1:%.*]] = icmp ult i64 [[CTPOP]], 2
; FAST-NEXT:    ret i1 [[CMP1]]
;
  %ctpop = call i64 @llvm.ctpop(i64 %x)
  %cmp = icmp ult i64 %ctpop, 2
  ret i1 %cmp
}

define i1 @test_ugt_1(i64 %x) {
; SLOW-LABEL: define i1 @test_ugt_1(
; SLOW-SAME: i64 [[X:%.*]]) {
; SLOW-NEXT:    [[TMP0:%.*]] = add i64 [[X]], -1
; SLOW-NEXT:    [[TMP1:%.*]] = and i64 [[X]], [[TMP0]]
; SLOW-NEXT:    [[CMP1:%.*]] = icmp ne i64 [[TMP1]], 0
; SLOW-NEXT:    ret i1 [[CMP1]]
;
; FAST-LABEL: define i1 @test_ugt_1(
; FAST-SAME: i64 [[X:%.*]]) #[[ATTR0]] {
; FAST-NEXT:    [[CTPOP:%.*]] = call i64 @llvm.ctpop.i64(i64 [[X]])
; FAST-NEXT:    [[CMP1:%.*]] = icmp ugt i64 [[CTPOP]], 1
; FAST-NEXT:    ret i1 [[CMP1]]
;
  %ctpop = call i64 @llvm.ctpop(i64 %x)
  %cmp = icmp ugt i64 %ctpop, 1
  ret i1 %cmp
}

define i1 @test_eq_1_nz(i64 %x) {
; SLOW-LABEL: define i1 @test_eq_1_nz(
; SLOW-SAME: i64 [[X:%.*]]) {
; SLOW-NEXT:    [[TMP0:%.*]] = add i64 [[X]], -1
; SLOW-NEXT:    [[TMP1:%.*]] = and i64 [[X]], [[TMP0]]
; SLOW-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 0
; SLOW-NEXT:    ret i1 [[TMP2]]
;
; FAST-LABEL: define i1 @test_eq_1_nz(
; FAST-SAME: i64 [[X:%.*]]) #[[ATTR0]] {
; FAST-NEXT:    [[CTPOP:%.*]] = call range(i64 1, 33) i64 @llvm.ctpop.i64(i64 [[X]])
; FAST-NEXT:    [[CMP1:%.*]] = icmp ult i64 [[CTPOP]], 2
; FAST-NEXT:    ret i1 [[CMP1]]
;
  %ctpop = call range(i64 1, 33) i64 @llvm.ctpop(i64 %x)
  %cmp = icmp eq i64 %ctpop, 1
  ret i1 %cmp
}

define i1 @test_ne_1_nz(i64 %x) {
; SLOW-LABEL: define i1 @test_ne_1_nz(
; SLOW-SAME: i64 [[X:%.*]]) {
; SLOW-NEXT:    [[TMP0:%.*]] = add i64 [[X]], -1
; SLOW-NEXT:    [[TMP1:%.*]] = and i64 [[X]], [[TMP0]]
; SLOW-NEXT:    [[TMP2:%.*]] = icmp ne i64 [[TMP1]], 0
; SLOW-NEXT:    ret i1 [[TMP2]]
;
; FAST-LABEL: define i1 @test_ne_1_nz(
; FAST-SAME: i64 [[X:%.*]]) #[[ATTR0]] {
; FAST-NEXT:    [[CTPOP:%.*]] = call range(i64 1, 33) i64 @llvm.ctpop.i64(i64 [[X]])
; FAST-NEXT:    [[CMP1:%.*]] = icmp ugt i64 [[CTPOP]], 1
; FAST-NEXT:    ret i1 [[CMP1]]
;
  %ctpop = call range(i64 1, 33) i64 @llvm.ctpop(i64 %x)
  %cmp = icmp ne i64 %ctpop, 1
  ret i1 %cmp
}

define i1 @test_eq_1(i64 %x) {
; SLOW-LABEL: define i1 @test_eq_1(
; SLOW-SAME: i64 [[X:%.*]]) {
; SLOW-NEXT:    [[TMP0:%.*]] = add i64 [[X]], -1
; SLOW-NEXT:    [[TMP1:%.*]] = xor i64 [[X]], [[TMP0]]
; SLOW-NEXT:    [[TMP2:%.*]] = icmp ugt i64 [[TMP1]], [[TMP0]]
; SLOW-NEXT:    ret i1 [[TMP2]]
;
; FAST-LABEL: define i1 @test_eq_1(
; FAST-SAME: i64 [[X:%.*]]) #[[ATTR0]] {
; FAST-NEXT:    [[CTPOP:%.*]] = call i64 @llvm.ctpop.i64(i64 [[X]])
; FAST-NEXT:    [[CMP1:%.*]] = icmp eq i64 [[CTPOP]], 1
; FAST-NEXT:    ret i1 [[CMP1]]
;
  %ctpop = call i64 @llvm.ctpop(i64 %x)
  %cmp = icmp eq i64 %ctpop, 1
  ret i1 %cmp
}

define i1 @test_ne_1(i64 %x) {
; SLOW-LABEL: define i1 @test_ne_1(
; SLOW-SAME: i64 [[X:%.*]]) {
; SLOW-NEXT:    [[TMP0:%.*]] = add i64 [[X]], -1
; SLOW-NEXT:    [[TMP1:%.*]] = xor i64 [[X]], [[TMP0]]
; SLOW-NEXT:    [[TMP2:%.*]] = icmp ule i64 [[TMP1]], [[TMP0]]
; SLOW-NEXT:    ret i1 [[TMP2]]
;
; FAST-LABEL: define i1 @test_ne_1(
; FAST-SAME: i64 [[X:%.*]]) #[[ATTR0]] {
; FAST-NEXT:    [[CTPOP:%.*]] = call i64 @llvm.ctpop.i64(i64 [[X]])
; FAST-NEXT:    [[CMP1:%.*]] = icmp ne i64 [[CTPOP]], 1
; FAST-NEXT:    ret i1 [[CMP1]]
;
  %ctpop = call i64 @llvm.ctpop(i64 %x)
  %cmp = icmp ne i64 %ctpop, 1
  ret i1 %cmp
}