llvm/test/CodeGen/RISCV/abds.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=riscv32 | FileCheck %s --check-prefixes=RV32I
; RUN: llc < %s -mtriple=riscv64 | FileCheck %s --check-prefixes=RV64I
; RUN: llc < %s -mtriple=riscv32 -mattr=+zbb | FileCheck %s --check-prefixes=ZBB,RV32ZBB
; RUN: llc < %s -mtriple=riscv64 -mattr=+zbb | FileCheck %s --check-prefixes=ZBB,RV64ZBB

;
; trunc(abs(sub(sext(a),sext(b)))) -> abds(a,b)
;

define i8 @abd_ext_i8(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_ext_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 24
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a1, a1, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i8:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 56
; RV64I-NEXT:    slli a0, a0, 56
; RV64I-NEXT:    srai a1, a1, 56
; RV64I-NEXT:    srai a0, a0, 56
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_ext_i8:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.b a1, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %aext = sext i8 %a to i64
  %bext = sext i8 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  %trunc = trunc i64 %abs to i8
  ret i8 %trunc
}

define i8 @abd_ext_i8_i16(i8 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_ext_i8_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i8_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    slli a0, a0, 56
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    srai a0, a0, 56
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_ext_i8_i16:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.h a1, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %aext = sext i8 %a to i64
  %bext = sext i16 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  %trunc = trunc i64 %abs to i8
  ret i8 %trunc
}

define i8 @abd_ext_i8_undef(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_ext_i8_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 24
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a1, a1, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i8_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 56
; RV64I-NEXT:    slli a0, a0, 56
; RV64I-NEXT:    srai a1, a1, 56
; RV64I-NEXT:    srai a0, a0, 56
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_ext_i8_undef:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.b a1, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %aext = sext i8 %a to i64
  %bext = sext i8 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true)
  %trunc = trunc i64 %abs to i8
  ret i8 %trunc
}

define i16 @abd_ext_i16(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_ext_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    slli a0, a0, 48
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    srai a0, a0, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_ext_i16:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.h a1, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %aext = sext i16 %a to i64
  %bext = sext i16 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  %trunc = trunc i64 %abs to i16
  ret i16 %trunc
}

define i16 @abd_ext_i16_i32(i16 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_ext_i16_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    blt a1, a0, .LBB4_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB4_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i16_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a0, a0, 48
; RV64I-NEXT:    sext.w a1, a1
; RV64I-NEXT:    srai a0, a0, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i16_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sext.h a0, a0
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i16_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a1, a1
; RV64ZBB-NEXT:    sext.h a0, a0
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i16 %a to i64
  %bext = sext i32 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  %trunc = trunc i64 %abs to i16
  ret i16 %trunc
}

define i16 @abd_ext_i16_undef(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_ext_i16_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i16_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    slli a0, a0, 48
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    srai a0, a0, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_ext_i16_undef:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.h a1, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %aext = sext i16 %a to i64
  %bext = sext i16 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true)
  %trunc = trunc i64 %abs to i16
  ret i16 %trunc
}

define i32 @abd_ext_i32(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_ext_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    blt a1, a0, .LBB6_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB6_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sext.w a1, a1
; RV64I-NEXT:    sext.w a0, a0
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a1, a1
; RV64ZBB-NEXT:    sext.w a0, a0
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i32 %a to i64
  %bext = sext i32 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  %trunc = trunc i64 %abs to i32
  ret i32 %trunc
}

define i32 @abd_ext_i32_i16(i32 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_ext_i32_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    blt a1, a0, .LBB7_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB7_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i32_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    sext.w a0, a0
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i32_i16:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sext.h a1, a1
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i32_i16:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a0, a0
; RV64ZBB-NEXT:    sext.h a1, a1
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i32 %a to i64
  %bext = sext i16 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  %trunc = trunc i64 %abs to i32
  ret i32 %trunc
}

define i32 @abd_ext_i32_undef(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_ext_i32_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    blt a1, a0, .LBB8_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB8_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i32_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sext.w a1, a1
; RV64I-NEXT:    sext.w a0, a0
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i32_undef:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i32_undef:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a1, a1
; RV64ZBB-NEXT:    sext.w a0, a0
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i32 %a to i64
  %bext = sext i32 %b to i64
  %sub = sub i64 %aext, %bext
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true)
  %trunc = trunc i64 %abs to i32
  ret i32 %trunc
}

define i64 @abd_ext_i64(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_ext_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a2, a0
; RV32I-NEXT:    mv a5, a4
; RV32I-NEXT:    beq a1, a3, .LBB9_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt a5, a3, a1
; RV32I-NEXT:  .LBB9_2:
; RV32I-NEXT:    bnez a5, .LBB9_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    sub a1, a3, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a2, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB9_4:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i64:
; RV64I:       # %bb.0:
; RV64I-NEXT:    blt a1, a0, .LBB9_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    sub a0, a1, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB9_2:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i64:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a2, a0
; RV32ZBB-NEXT:    mv a5, a4
; RV32ZBB-NEXT:    beq a1, a3, .LBB9_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt a5, a3, a1
; RV32ZBB-NEXT:  .LBB9_2:
; RV32ZBB-NEXT:    bnez a5, .LBB9_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    sub a1, a3, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a2, a0
; RV32ZBB-NEXT:    ret
; RV32ZBB-NEXT:  .LBB9_4:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i64:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i64 %a to i128
  %bext = sext i64 %b to i128
  %sub = sub i128 %aext, %bext
  %abs = call i128 @llvm.abs.i128(i128 %sub, i1 false)
  %trunc = trunc i128 %abs to i64
  ret i64 %trunc
}

define i64 @abd_ext_i64_undef(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_ext_i64_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a2, a0
; RV32I-NEXT:    mv a5, a4
; RV32I-NEXT:    beq a1, a3, .LBB10_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt a5, a3, a1
; RV32I-NEXT:  .LBB10_2:
; RV32I-NEXT:    bnez a5, .LBB10_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    sub a1, a3, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a2, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB10_4:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i64_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    blt a1, a0, .LBB10_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    sub a0, a1, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB10_2:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i64_undef:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a2, a0
; RV32ZBB-NEXT:    mv a5, a4
; RV32ZBB-NEXT:    beq a1, a3, .LBB10_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt a5, a3, a1
; RV32ZBB-NEXT:  .LBB10_2:
; RV32ZBB-NEXT:    bnez a5, .LBB10_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    sub a1, a3, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a2, a0
; RV32ZBB-NEXT:    ret
; RV32ZBB-NEXT:  .LBB10_4:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i64_undef:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i64 %a to i128
  %bext = sext i64 %b to i128
  %sub = sub i128 %aext, %bext
  %abs = call i128 @llvm.abs.i128(i128 %sub, i1 true)
  %trunc = trunc i128 %abs to i64
  ret i64 %trunc
}

define i128 @abd_ext_i128(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_ext_i128:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a4, 0(a1)
; RV32I-NEXT:    lw a3, 4(a1)
; RV32I-NEXT:    lw a7, 8(a1)
; RV32I-NEXT:    lw t0, 12(a1)
; RV32I-NEXT:    lw t1, 12(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw a1, 4(a2)
; RV32I-NEXT:    sltu a2, a6, a7
; RV32I-NEXT:    mv t4, a2
; RV32I-NEXT:    beq t0, t1, .LBB11_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt t4, t1, t0
; RV32I-NEXT:  .LBB11_2:
; RV32I-NEXT:    sltu t2, a5, a4
; RV32I-NEXT:    sltu t5, a1, a3
; RV32I-NEXT:    mv t3, t2
; RV32I-NEXT:    beq a3, a1, .LBB11_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    mv t3, t5
; RV32I-NEXT:  .LBB11_4:
; RV32I-NEXT:    addi sp, sp, -16
; RV32I-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT:    xor t6, t0, t1
; RV32I-NEXT:    xor s0, a7, a6
; RV32I-NEXT:    or t6, s0, t6
; RV32I-NEXT:    beqz t6, .LBB11_6
; RV32I-NEXT:  # %bb.5:
; RV32I-NEXT:    mv t3, t4
; RV32I-NEXT:  .LBB11_6:
; RV32I-NEXT:    mv t4, t2
; RV32I-NEXT:    beq a1, a3, .LBB11_8
; RV32I-NEXT:  # %bb.7:
; RV32I-NEXT:    mv t4, t5
; RV32I-NEXT:  .LBB11_8:
; RV32I-NEXT:    sltu t5, a4, a5
; RV32I-NEXT:    mv t6, t5
; RV32I-NEXT:    beq a3, a1, .LBB11_10
; RV32I-NEXT:  # %bb.9:
; RV32I-NEXT:    sltu t6, a3, a1
; RV32I-NEXT:  .LBB11_10:
; RV32I-NEXT:    bnez t3, .LBB11_12
; RV32I-NEXT:  # %bb.11:
; RV32I-NEXT:    sub t0, t1, t0
; RV32I-NEXT:    sub a6, a6, a7
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t4
; RV32I-NEXT:    sub a4, a5, a4
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, t2
; RV32I-NEXT:    sub a3, a6, t4
; RV32I-NEXT:    j .LBB11_13
; RV32I-NEXT:  .LBB11_12:
; RV32I-NEXT:    sltu a2, a7, a6
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    sub a6, a7, a6
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, a5
; RV32I-NEXT:    sub a3, a3, a1
; RV32I-NEXT:    sub a1, a3, t5
; RV32I-NEXT:    sub a3, a6, t6
; RV32I-NEXT:  .LBB11_13:
; RV32I-NEXT:    sw a4, 0(a0)
; RV32I-NEXT:    sw a1, 4(a0)
; RV32I-NEXT:    sw a3, 8(a0)
; RV32I-NEXT:    sw a2, 12(a0)
; RV32I-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT:    addi sp, sp, 16
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a2, a0
; RV64I-NEXT:    mv a5, a4
; RV64I-NEXT:    beq a1, a3, .LBB11_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    slt a5, a3, a1
; RV64I-NEXT:  .LBB11_2:
; RV64I-NEXT:    bnez a5, .LBB11_4
; RV64I-NEXT:  # %bb.3:
; RV64I-NEXT:    sub a1, a3, a1
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a2, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB11_4:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i128:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a4, 0(a1)
; RV32ZBB-NEXT:    lw a3, 4(a1)
; RV32ZBB-NEXT:    lw a7, 8(a1)
; RV32ZBB-NEXT:    lw t0, 12(a1)
; RV32ZBB-NEXT:    lw t1, 12(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw a1, 4(a2)
; RV32ZBB-NEXT:    sltu a2, a6, a7
; RV32ZBB-NEXT:    mv t4, a2
; RV32ZBB-NEXT:    beq t0, t1, .LBB11_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt t4, t1, t0
; RV32ZBB-NEXT:  .LBB11_2:
; RV32ZBB-NEXT:    sltu t2, a5, a4
; RV32ZBB-NEXT:    sltu t5, a1, a3
; RV32ZBB-NEXT:    mv t3, t2
; RV32ZBB-NEXT:    beq a3, a1, .LBB11_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    mv t3, t5
; RV32ZBB-NEXT:  .LBB11_4:
; RV32ZBB-NEXT:    addi sp, sp, -16
; RV32ZBB-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32ZBB-NEXT:    xor t6, t0, t1
; RV32ZBB-NEXT:    xor s0, a7, a6
; RV32ZBB-NEXT:    or t6, s0, t6
; RV32ZBB-NEXT:    beqz t6, .LBB11_6
; RV32ZBB-NEXT:  # %bb.5:
; RV32ZBB-NEXT:    mv t3, t4
; RV32ZBB-NEXT:  .LBB11_6:
; RV32ZBB-NEXT:    mv t4, t2
; RV32ZBB-NEXT:    beq a1, a3, .LBB11_8
; RV32ZBB-NEXT:  # %bb.7:
; RV32ZBB-NEXT:    mv t4, t5
; RV32ZBB-NEXT:  .LBB11_8:
; RV32ZBB-NEXT:    sltu t5, a4, a5
; RV32ZBB-NEXT:    mv t6, t5
; RV32ZBB-NEXT:    beq a3, a1, .LBB11_10
; RV32ZBB-NEXT:  # %bb.9:
; RV32ZBB-NEXT:    sltu t6, a3, a1
; RV32ZBB-NEXT:  .LBB11_10:
; RV32ZBB-NEXT:    bnez t3, .LBB11_12
; RV32ZBB-NEXT:  # %bb.11:
; RV32ZBB-NEXT:    sub t0, t1, t0
; RV32ZBB-NEXT:    sub a6, a6, a7
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t4
; RV32ZBB-NEXT:    sub a4, a5, a4
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, t2
; RV32ZBB-NEXT:    sub a3, a6, t4
; RV32ZBB-NEXT:    j .LBB11_13
; RV32ZBB-NEXT:  .LBB11_12:
; RV32ZBB-NEXT:    sltu a2, a7, a6
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    sub a6, a7, a6
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, a5
; RV32ZBB-NEXT:    sub a3, a3, a1
; RV32ZBB-NEXT:    sub a1, a3, t5
; RV32ZBB-NEXT:    sub a3, a6, t6
; RV32ZBB-NEXT:  .LBB11_13:
; RV32ZBB-NEXT:    sw a4, 0(a0)
; RV32ZBB-NEXT:    sw a1, 4(a0)
; RV32ZBB-NEXT:    sw a3, 8(a0)
; RV32ZBB-NEXT:    sw a2, 12(a0)
; RV32ZBB-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32ZBB-NEXT:    addi sp, sp, 16
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i128:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a2, a0
; RV64ZBB-NEXT:    mv a5, a4
; RV64ZBB-NEXT:    beq a1, a3, .LBB11_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    slt a5, a3, a1
; RV64ZBB-NEXT:  .LBB11_2:
; RV64ZBB-NEXT:    bnez a5, .LBB11_4
; RV64ZBB-NEXT:  # %bb.3:
; RV64ZBB-NEXT:    sub a1, a3, a1
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a2, a0
; RV64ZBB-NEXT:    ret
; RV64ZBB-NEXT:  .LBB11_4:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i128 %a to i256
  %bext = sext i128 %b to i256
  %sub = sub i256 %aext, %bext
  %abs = call i256 @llvm.abs.i256(i256 %sub, i1 false)
  %trunc = trunc i256 %abs to i128
  ret i128 %trunc
}

define i128 @abd_ext_i128_undef(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_ext_i128_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a4, 0(a1)
; RV32I-NEXT:    lw a3, 4(a1)
; RV32I-NEXT:    lw a7, 8(a1)
; RV32I-NEXT:    lw t0, 12(a1)
; RV32I-NEXT:    lw t1, 12(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw a1, 4(a2)
; RV32I-NEXT:    sltu a2, a6, a7
; RV32I-NEXT:    mv t4, a2
; RV32I-NEXT:    beq t0, t1, .LBB12_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt t4, t1, t0
; RV32I-NEXT:  .LBB12_2:
; RV32I-NEXT:    sltu t2, a5, a4
; RV32I-NEXT:    sltu t5, a1, a3
; RV32I-NEXT:    mv t3, t2
; RV32I-NEXT:    beq a3, a1, .LBB12_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    mv t3, t5
; RV32I-NEXT:  .LBB12_4:
; RV32I-NEXT:    addi sp, sp, -16
; RV32I-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT:    xor t6, t0, t1
; RV32I-NEXT:    xor s0, a7, a6
; RV32I-NEXT:    or t6, s0, t6
; RV32I-NEXT:    beqz t6, .LBB12_6
; RV32I-NEXT:  # %bb.5:
; RV32I-NEXT:    mv t3, t4
; RV32I-NEXT:  .LBB12_6:
; RV32I-NEXT:    mv t4, t2
; RV32I-NEXT:    beq a1, a3, .LBB12_8
; RV32I-NEXT:  # %bb.7:
; RV32I-NEXT:    mv t4, t5
; RV32I-NEXT:  .LBB12_8:
; RV32I-NEXT:    sltu t5, a4, a5
; RV32I-NEXT:    mv t6, t5
; RV32I-NEXT:    beq a3, a1, .LBB12_10
; RV32I-NEXT:  # %bb.9:
; RV32I-NEXT:    sltu t6, a3, a1
; RV32I-NEXT:  .LBB12_10:
; RV32I-NEXT:    bnez t3, .LBB12_12
; RV32I-NEXT:  # %bb.11:
; RV32I-NEXT:    sub t0, t1, t0
; RV32I-NEXT:    sub a6, a6, a7
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t4
; RV32I-NEXT:    sub a4, a5, a4
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, t2
; RV32I-NEXT:    sub a3, a6, t4
; RV32I-NEXT:    j .LBB12_13
; RV32I-NEXT:  .LBB12_12:
; RV32I-NEXT:    sltu a2, a7, a6
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    sub a6, a7, a6
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, a5
; RV32I-NEXT:    sub a3, a3, a1
; RV32I-NEXT:    sub a1, a3, t5
; RV32I-NEXT:    sub a3, a6, t6
; RV32I-NEXT:  .LBB12_13:
; RV32I-NEXT:    sw a4, 0(a0)
; RV32I-NEXT:    sw a1, 4(a0)
; RV32I-NEXT:    sw a3, 8(a0)
; RV32I-NEXT:    sw a2, 12(a0)
; RV32I-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT:    addi sp, sp, 16
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_ext_i128_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a2, a0
; RV64I-NEXT:    mv a5, a4
; RV64I-NEXT:    beq a1, a3, .LBB12_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    slt a5, a3, a1
; RV64I-NEXT:  .LBB12_2:
; RV64I-NEXT:    bnez a5, .LBB12_4
; RV64I-NEXT:  # %bb.3:
; RV64I-NEXT:    sub a1, a3, a1
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a2, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB12_4:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_ext_i128_undef:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a4, 0(a1)
; RV32ZBB-NEXT:    lw a3, 4(a1)
; RV32ZBB-NEXT:    lw a7, 8(a1)
; RV32ZBB-NEXT:    lw t0, 12(a1)
; RV32ZBB-NEXT:    lw t1, 12(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw a1, 4(a2)
; RV32ZBB-NEXT:    sltu a2, a6, a7
; RV32ZBB-NEXT:    mv t4, a2
; RV32ZBB-NEXT:    beq t0, t1, .LBB12_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt t4, t1, t0
; RV32ZBB-NEXT:  .LBB12_2:
; RV32ZBB-NEXT:    sltu t2, a5, a4
; RV32ZBB-NEXT:    sltu t5, a1, a3
; RV32ZBB-NEXT:    mv t3, t2
; RV32ZBB-NEXT:    beq a3, a1, .LBB12_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    mv t3, t5
; RV32ZBB-NEXT:  .LBB12_4:
; RV32ZBB-NEXT:    addi sp, sp, -16
; RV32ZBB-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32ZBB-NEXT:    xor t6, t0, t1
; RV32ZBB-NEXT:    xor s0, a7, a6
; RV32ZBB-NEXT:    or t6, s0, t6
; RV32ZBB-NEXT:    beqz t6, .LBB12_6
; RV32ZBB-NEXT:  # %bb.5:
; RV32ZBB-NEXT:    mv t3, t4
; RV32ZBB-NEXT:  .LBB12_6:
; RV32ZBB-NEXT:    mv t4, t2
; RV32ZBB-NEXT:    beq a1, a3, .LBB12_8
; RV32ZBB-NEXT:  # %bb.7:
; RV32ZBB-NEXT:    mv t4, t5
; RV32ZBB-NEXT:  .LBB12_8:
; RV32ZBB-NEXT:    sltu t5, a4, a5
; RV32ZBB-NEXT:    mv t6, t5
; RV32ZBB-NEXT:    beq a3, a1, .LBB12_10
; RV32ZBB-NEXT:  # %bb.9:
; RV32ZBB-NEXT:    sltu t6, a3, a1
; RV32ZBB-NEXT:  .LBB12_10:
; RV32ZBB-NEXT:    bnez t3, .LBB12_12
; RV32ZBB-NEXT:  # %bb.11:
; RV32ZBB-NEXT:    sub t0, t1, t0
; RV32ZBB-NEXT:    sub a6, a6, a7
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t4
; RV32ZBB-NEXT:    sub a4, a5, a4
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, t2
; RV32ZBB-NEXT:    sub a3, a6, t4
; RV32ZBB-NEXT:    j .LBB12_13
; RV32ZBB-NEXT:  .LBB12_12:
; RV32ZBB-NEXT:    sltu a2, a7, a6
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    sub a6, a7, a6
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, a5
; RV32ZBB-NEXT:    sub a3, a3, a1
; RV32ZBB-NEXT:    sub a1, a3, t5
; RV32ZBB-NEXT:    sub a3, a6, t6
; RV32ZBB-NEXT:  .LBB12_13:
; RV32ZBB-NEXT:    sw a4, 0(a0)
; RV32ZBB-NEXT:    sw a1, 4(a0)
; RV32ZBB-NEXT:    sw a3, 8(a0)
; RV32ZBB-NEXT:    sw a2, 12(a0)
; RV32ZBB-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32ZBB-NEXT:    addi sp, sp, 16
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_ext_i128_undef:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a2, a0
; RV64ZBB-NEXT:    mv a5, a4
; RV64ZBB-NEXT:    beq a1, a3, .LBB12_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    slt a5, a3, a1
; RV64ZBB-NEXT:  .LBB12_2:
; RV64ZBB-NEXT:    bnez a5, .LBB12_4
; RV64ZBB-NEXT:  # %bb.3:
; RV64ZBB-NEXT:    sub a1, a3, a1
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a2, a0
; RV64ZBB-NEXT:    ret
; RV64ZBB-NEXT:  .LBB12_4:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %aext = sext i128 %a to i256
  %bext = sext i128 %b to i256
  %sub = sub i256 %aext, %bext
  %abs = call i256 @llvm.abs.i256(i256 %sub, i1 true)
  %trunc = trunc i256 %abs to i128
  ret i128 %trunc
}

;
; sub(smax(a,b),smin(a,b)) -> abds(a,b)
;

define i8 @abd_minmax_i8(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_minmax_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 24
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a1, a1, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_minmax_i8:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 56
; RV64I-NEXT:    slli a0, a0, 56
; RV64I-NEXT:    srai a1, a1, 56
; RV64I-NEXT:    srai a0, a0, 56
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_minmax_i8:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.b a1, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %min = call i8 @llvm.smin.i8(i8 %a, i8 %b)
  %max = call i8 @llvm.smax.i8(i8 %a, i8 %b)
  %sub = sub i8 %max, %min
  ret i8 %sub
}

define i16 @abd_minmax_i16(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_minmax_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_minmax_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    slli a0, a0, 48
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    srai a0, a0, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_minmax_i16:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.h a1, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %min = call i16 @llvm.smin.i16(i16 %a, i16 %b)
  %max = call i16 @llvm.smax.i16(i16 %a, i16 %b)
  %sub = sub i16 %max, %min
  ret i16 %sub
}

define i32 @abd_minmax_i32(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_minmax_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    blt a1, a0, .LBB15_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB15_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_minmax_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sext.w a1, a1
; RV64I-NEXT:    sext.w a0, a0
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_minmax_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_minmax_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a1, a1
; RV64ZBB-NEXT:    sext.w a0, a0
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %min = call i32 @llvm.smin.i32(i32 %a, i32 %b)
  %max = call i32 @llvm.smax.i32(i32 %a, i32 %b)
  %sub = sub i32 %max, %min
  ret i32 %sub
}

define i64 @abd_minmax_i64(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_minmax_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a2, a0
; RV32I-NEXT:    mv a5, a4
; RV32I-NEXT:    beq a1, a3, .LBB16_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt a5, a3, a1
; RV32I-NEXT:  .LBB16_2:
; RV32I-NEXT:    bnez a5, .LBB16_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    sub a1, a3, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a2, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB16_4:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_minmax_i64:
; RV64I:       # %bb.0:
; RV64I-NEXT:    blt a1, a0, .LBB16_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    sub a0, a1, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB16_2:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_minmax_i64:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a2, a0
; RV32ZBB-NEXT:    mv a5, a4
; RV32ZBB-NEXT:    beq a1, a3, .LBB16_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt a5, a3, a1
; RV32ZBB-NEXT:  .LBB16_2:
; RV32ZBB-NEXT:    bnez a5, .LBB16_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    sub a1, a3, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a2, a0
; RV32ZBB-NEXT:    ret
; RV32ZBB-NEXT:  .LBB16_4:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_minmax_i64:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %min = call i64 @llvm.smin.i64(i64 %a, i64 %b)
  %max = call i64 @llvm.smax.i64(i64 %a, i64 %b)
  %sub = sub i64 %max, %min
  ret i64 %sub
}

define i128 @abd_minmax_i128(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_minmax_i128:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a4, 0(a1)
; RV32I-NEXT:    lw a3, 4(a1)
; RV32I-NEXT:    lw a7, 8(a1)
; RV32I-NEXT:    lw t0, 12(a1)
; RV32I-NEXT:    lw t1, 12(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw a1, 4(a2)
; RV32I-NEXT:    sltu a2, a6, a7
; RV32I-NEXT:    mv t4, a2
; RV32I-NEXT:    beq t0, t1, .LBB17_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt t4, t1, t0
; RV32I-NEXT:  .LBB17_2:
; RV32I-NEXT:    sltu t2, a5, a4
; RV32I-NEXT:    sltu t5, a1, a3
; RV32I-NEXT:    mv t3, t2
; RV32I-NEXT:    beq a3, a1, .LBB17_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    mv t3, t5
; RV32I-NEXT:  .LBB17_4:
; RV32I-NEXT:    addi sp, sp, -16
; RV32I-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT:    xor t6, t0, t1
; RV32I-NEXT:    xor s0, a7, a6
; RV32I-NEXT:    or t6, s0, t6
; RV32I-NEXT:    beqz t6, .LBB17_6
; RV32I-NEXT:  # %bb.5:
; RV32I-NEXT:    mv t3, t4
; RV32I-NEXT:  .LBB17_6:
; RV32I-NEXT:    mv t4, t2
; RV32I-NEXT:    beq a1, a3, .LBB17_8
; RV32I-NEXT:  # %bb.7:
; RV32I-NEXT:    mv t4, t5
; RV32I-NEXT:  .LBB17_8:
; RV32I-NEXT:    sltu t5, a4, a5
; RV32I-NEXT:    mv t6, t5
; RV32I-NEXT:    beq a3, a1, .LBB17_10
; RV32I-NEXT:  # %bb.9:
; RV32I-NEXT:    sltu t6, a3, a1
; RV32I-NEXT:  .LBB17_10:
; RV32I-NEXT:    bnez t3, .LBB17_12
; RV32I-NEXT:  # %bb.11:
; RV32I-NEXT:    sub t0, t1, t0
; RV32I-NEXT:    sub a6, a6, a7
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t4
; RV32I-NEXT:    sub a4, a5, a4
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, t2
; RV32I-NEXT:    sub a3, a6, t4
; RV32I-NEXT:    j .LBB17_13
; RV32I-NEXT:  .LBB17_12:
; RV32I-NEXT:    sltu a2, a7, a6
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    sub a6, a7, a6
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, a5
; RV32I-NEXT:    sub a3, a3, a1
; RV32I-NEXT:    sub a1, a3, t5
; RV32I-NEXT:    sub a3, a6, t6
; RV32I-NEXT:  .LBB17_13:
; RV32I-NEXT:    sw a4, 0(a0)
; RV32I-NEXT:    sw a1, 4(a0)
; RV32I-NEXT:    sw a3, 8(a0)
; RV32I-NEXT:    sw a2, 12(a0)
; RV32I-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT:    addi sp, sp, 16
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_minmax_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a2, a0
; RV64I-NEXT:    mv a5, a4
; RV64I-NEXT:    beq a1, a3, .LBB17_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    slt a5, a3, a1
; RV64I-NEXT:  .LBB17_2:
; RV64I-NEXT:    bnez a5, .LBB17_4
; RV64I-NEXT:  # %bb.3:
; RV64I-NEXT:    sub a1, a3, a1
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a2, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB17_4:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_minmax_i128:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a4, 0(a1)
; RV32ZBB-NEXT:    lw a3, 4(a1)
; RV32ZBB-NEXT:    lw a7, 8(a1)
; RV32ZBB-NEXT:    lw t0, 12(a1)
; RV32ZBB-NEXT:    lw t1, 12(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw a1, 4(a2)
; RV32ZBB-NEXT:    sltu a2, a6, a7
; RV32ZBB-NEXT:    mv t4, a2
; RV32ZBB-NEXT:    beq t0, t1, .LBB17_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt t4, t1, t0
; RV32ZBB-NEXT:  .LBB17_2:
; RV32ZBB-NEXT:    sltu t2, a5, a4
; RV32ZBB-NEXT:    sltu t5, a1, a3
; RV32ZBB-NEXT:    mv t3, t2
; RV32ZBB-NEXT:    beq a3, a1, .LBB17_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    mv t3, t5
; RV32ZBB-NEXT:  .LBB17_4:
; RV32ZBB-NEXT:    addi sp, sp, -16
; RV32ZBB-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32ZBB-NEXT:    xor t6, t0, t1
; RV32ZBB-NEXT:    xor s0, a7, a6
; RV32ZBB-NEXT:    or t6, s0, t6
; RV32ZBB-NEXT:    beqz t6, .LBB17_6
; RV32ZBB-NEXT:  # %bb.5:
; RV32ZBB-NEXT:    mv t3, t4
; RV32ZBB-NEXT:  .LBB17_6:
; RV32ZBB-NEXT:    mv t4, t2
; RV32ZBB-NEXT:    beq a1, a3, .LBB17_8
; RV32ZBB-NEXT:  # %bb.7:
; RV32ZBB-NEXT:    mv t4, t5
; RV32ZBB-NEXT:  .LBB17_8:
; RV32ZBB-NEXT:    sltu t5, a4, a5
; RV32ZBB-NEXT:    mv t6, t5
; RV32ZBB-NEXT:    beq a3, a1, .LBB17_10
; RV32ZBB-NEXT:  # %bb.9:
; RV32ZBB-NEXT:    sltu t6, a3, a1
; RV32ZBB-NEXT:  .LBB17_10:
; RV32ZBB-NEXT:    bnez t3, .LBB17_12
; RV32ZBB-NEXT:  # %bb.11:
; RV32ZBB-NEXT:    sub t0, t1, t0
; RV32ZBB-NEXT:    sub a6, a6, a7
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t4
; RV32ZBB-NEXT:    sub a4, a5, a4
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, t2
; RV32ZBB-NEXT:    sub a3, a6, t4
; RV32ZBB-NEXT:    j .LBB17_13
; RV32ZBB-NEXT:  .LBB17_12:
; RV32ZBB-NEXT:    sltu a2, a7, a6
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    sub a6, a7, a6
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, a5
; RV32ZBB-NEXT:    sub a3, a3, a1
; RV32ZBB-NEXT:    sub a1, a3, t5
; RV32ZBB-NEXT:    sub a3, a6, t6
; RV32ZBB-NEXT:  .LBB17_13:
; RV32ZBB-NEXT:    sw a4, 0(a0)
; RV32ZBB-NEXT:    sw a1, 4(a0)
; RV32ZBB-NEXT:    sw a3, 8(a0)
; RV32ZBB-NEXT:    sw a2, 12(a0)
; RV32ZBB-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32ZBB-NEXT:    addi sp, sp, 16
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_minmax_i128:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a2, a0
; RV64ZBB-NEXT:    mv a5, a4
; RV64ZBB-NEXT:    beq a1, a3, .LBB17_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    slt a5, a3, a1
; RV64ZBB-NEXT:  .LBB17_2:
; RV64ZBB-NEXT:    bnez a5, .LBB17_4
; RV64ZBB-NEXT:  # %bb.3:
; RV64ZBB-NEXT:    sub a1, a3, a1
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a2, a0
; RV64ZBB-NEXT:    ret
; RV64ZBB-NEXT:  .LBB17_4:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %min = call i128 @llvm.smin.i128(i128 %a, i128 %b)
  %max = call i128 @llvm.smax.i128(i128 %a, i128 %b)
  %sub = sub i128 %max, %min
  ret i128 %sub
}

;
; select(icmp(a,b),sub(a,b),sub(b,a)) -> abds(a,b)
;

define i8 @abd_cmp_i8(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_cmp_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 24
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a1, a1, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_cmp_i8:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 56
; RV64I-NEXT:    slli a0, a0, 56
; RV64I-NEXT:    srai a1, a1, 56
; RV64I-NEXT:    srai a0, a0, 56
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_cmp_i8:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.b a1, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %cmp = icmp sgt i8 %a, %b
  %ab = sub i8 %a, %b
  %ba = sub i8 %b, %a
  %sel = select i1 %cmp, i8 %ab, i8 %ba
  ret i8 %sel
}

define i16 @abd_cmp_i16(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_cmp_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_cmp_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    slli a0, a0, 48
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    srai a0, a0, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_cmp_i16:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.h a1, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %cmp = icmp sge i16 %a, %b
  %ab = sub i16 %a, %b
  %ba = sub i16 %b, %a
  %sel = select i1 %cmp, i16 %ab, i16 %ba
  ret i16 %sel
}

define i32 @abd_cmp_i32(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_cmp_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    blt a1, a0, .LBB20_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB20_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_cmp_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sext.w a1, a1
; RV64I-NEXT:    sext.w a0, a0
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_cmp_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_cmp_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a1, a1
; RV64ZBB-NEXT:    sext.w a0, a0
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %cmp = icmp slt i32 %a, %b
  %ab = sub i32 %a, %b
  %ba = sub i32 %b, %a
  %sel = select i1 %cmp, i32 %ba, i32 %ab
  ret i32 %sel
}

define i64 @abd_cmp_i64(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_cmp_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a2, a0
; RV32I-NEXT:    mv a5, a4
; RV32I-NEXT:    beq a1, a3, .LBB21_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt a5, a3, a1
; RV32I-NEXT:  .LBB21_2:
; RV32I-NEXT:    bnez a5, .LBB21_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    sub a1, a3, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a2, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB21_4:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_cmp_i64:
; RV64I:       # %bb.0:
; RV64I-NEXT:    blt a1, a0, .LBB21_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    sub a0, a1, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB21_2:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_cmp_i64:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a2, a0
; RV32ZBB-NEXT:    mv a5, a4
; RV32ZBB-NEXT:    beq a1, a3, .LBB21_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt a5, a3, a1
; RV32ZBB-NEXT:  .LBB21_2:
; RV32ZBB-NEXT:    bnez a5, .LBB21_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    sub a1, a3, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a2, a0
; RV32ZBB-NEXT:    ret
; RV32ZBB-NEXT:  .LBB21_4:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_cmp_i64:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %cmp = icmp sge i64 %a, %b
  %ab = sub i64 %a, %b
  %ba = sub i64 %b, %a
  %sel = select i1 %cmp, i64 %ab, i64 %ba
  ret i64 %sel
}

define i128 @abd_cmp_i128(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_cmp_i128:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a4, 0(a1)
; RV32I-NEXT:    lw a3, 4(a1)
; RV32I-NEXT:    lw a7, 8(a1)
; RV32I-NEXT:    lw t0, 12(a1)
; RV32I-NEXT:    lw t1, 12(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw a1, 4(a2)
; RV32I-NEXT:    sltu a2, a6, a7
; RV32I-NEXT:    mv t4, a2
; RV32I-NEXT:    beq t0, t1, .LBB22_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt t4, t1, t0
; RV32I-NEXT:  .LBB22_2:
; RV32I-NEXT:    sltu t2, a5, a4
; RV32I-NEXT:    sltu t5, a1, a3
; RV32I-NEXT:    mv t3, t2
; RV32I-NEXT:    beq a3, a1, .LBB22_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    mv t3, t5
; RV32I-NEXT:  .LBB22_4:
; RV32I-NEXT:    addi sp, sp, -16
; RV32I-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT:    xor t6, t0, t1
; RV32I-NEXT:    xor s0, a7, a6
; RV32I-NEXT:    or t6, s0, t6
; RV32I-NEXT:    beqz t6, .LBB22_6
; RV32I-NEXT:  # %bb.5:
; RV32I-NEXT:    mv t3, t4
; RV32I-NEXT:  .LBB22_6:
; RV32I-NEXT:    mv t4, t2
; RV32I-NEXT:    beq a1, a3, .LBB22_8
; RV32I-NEXT:  # %bb.7:
; RV32I-NEXT:    mv t4, t5
; RV32I-NEXT:  .LBB22_8:
; RV32I-NEXT:    sltu t5, a4, a5
; RV32I-NEXT:    mv t6, t5
; RV32I-NEXT:    beq a3, a1, .LBB22_10
; RV32I-NEXT:  # %bb.9:
; RV32I-NEXT:    sltu t6, a3, a1
; RV32I-NEXT:  .LBB22_10:
; RV32I-NEXT:    bnez t3, .LBB22_12
; RV32I-NEXT:  # %bb.11:
; RV32I-NEXT:    sub t0, t1, t0
; RV32I-NEXT:    sub a6, a6, a7
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t4
; RV32I-NEXT:    sub a4, a5, a4
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, t2
; RV32I-NEXT:    sub a3, a6, t4
; RV32I-NEXT:    j .LBB22_13
; RV32I-NEXT:  .LBB22_12:
; RV32I-NEXT:    sltu a2, a7, a6
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    sub a6, a7, a6
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, a5
; RV32I-NEXT:    sub a3, a3, a1
; RV32I-NEXT:    sub a1, a3, t5
; RV32I-NEXT:    sub a3, a6, t6
; RV32I-NEXT:  .LBB22_13:
; RV32I-NEXT:    sw a4, 0(a0)
; RV32I-NEXT:    sw a1, 4(a0)
; RV32I-NEXT:    sw a3, 8(a0)
; RV32I-NEXT:    sw a2, 12(a0)
; RV32I-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT:    addi sp, sp, 16
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_cmp_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a2, a0
; RV64I-NEXT:    mv a5, a4
; RV64I-NEXT:    beq a1, a3, .LBB22_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    slt a5, a3, a1
; RV64I-NEXT:  .LBB22_2:
; RV64I-NEXT:    bnez a5, .LBB22_4
; RV64I-NEXT:  # %bb.3:
; RV64I-NEXT:    sub a1, a3, a1
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a2, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB22_4:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_cmp_i128:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a4, 0(a1)
; RV32ZBB-NEXT:    lw a3, 4(a1)
; RV32ZBB-NEXT:    lw a7, 8(a1)
; RV32ZBB-NEXT:    lw t0, 12(a1)
; RV32ZBB-NEXT:    lw t1, 12(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw a1, 4(a2)
; RV32ZBB-NEXT:    sltu a2, a6, a7
; RV32ZBB-NEXT:    mv t4, a2
; RV32ZBB-NEXT:    beq t0, t1, .LBB22_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt t4, t1, t0
; RV32ZBB-NEXT:  .LBB22_2:
; RV32ZBB-NEXT:    sltu t2, a5, a4
; RV32ZBB-NEXT:    sltu t5, a1, a3
; RV32ZBB-NEXT:    mv t3, t2
; RV32ZBB-NEXT:    beq a3, a1, .LBB22_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    mv t3, t5
; RV32ZBB-NEXT:  .LBB22_4:
; RV32ZBB-NEXT:    addi sp, sp, -16
; RV32ZBB-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32ZBB-NEXT:    xor t6, t0, t1
; RV32ZBB-NEXT:    xor s0, a7, a6
; RV32ZBB-NEXT:    or t6, s0, t6
; RV32ZBB-NEXT:    beqz t6, .LBB22_6
; RV32ZBB-NEXT:  # %bb.5:
; RV32ZBB-NEXT:    mv t3, t4
; RV32ZBB-NEXT:  .LBB22_6:
; RV32ZBB-NEXT:    mv t4, t2
; RV32ZBB-NEXT:    beq a1, a3, .LBB22_8
; RV32ZBB-NEXT:  # %bb.7:
; RV32ZBB-NEXT:    mv t4, t5
; RV32ZBB-NEXT:  .LBB22_8:
; RV32ZBB-NEXT:    sltu t5, a4, a5
; RV32ZBB-NEXT:    mv t6, t5
; RV32ZBB-NEXT:    beq a3, a1, .LBB22_10
; RV32ZBB-NEXT:  # %bb.9:
; RV32ZBB-NEXT:    sltu t6, a3, a1
; RV32ZBB-NEXT:  .LBB22_10:
; RV32ZBB-NEXT:    bnez t3, .LBB22_12
; RV32ZBB-NEXT:  # %bb.11:
; RV32ZBB-NEXT:    sub t0, t1, t0
; RV32ZBB-NEXT:    sub a6, a6, a7
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t4
; RV32ZBB-NEXT:    sub a4, a5, a4
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, t2
; RV32ZBB-NEXT:    sub a3, a6, t4
; RV32ZBB-NEXT:    j .LBB22_13
; RV32ZBB-NEXT:  .LBB22_12:
; RV32ZBB-NEXT:    sltu a2, a7, a6
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    sub a6, a7, a6
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, a5
; RV32ZBB-NEXT:    sub a3, a3, a1
; RV32ZBB-NEXT:    sub a1, a3, t5
; RV32ZBB-NEXT:    sub a3, a6, t6
; RV32ZBB-NEXT:  .LBB22_13:
; RV32ZBB-NEXT:    sw a4, 0(a0)
; RV32ZBB-NEXT:    sw a1, 4(a0)
; RV32ZBB-NEXT:    sw a3, 8(a0)
; RV32ZBB-NEXT:    sw a2, 12(a0)
; RV32ZBB-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32ZBB-NEXT:    addi sp, sp, 16
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_cmp_i128:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a2, a0
; RV64ZBB-NEXT:    mv a5, a4
; RV64ZBB-NEXT:    beq a1, a3, .LBB22_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    slt a5, a3, a1
; RV64ZBB-NEXT:  .LBB22_2:
; RV64ZBB-NEXT:    bnez a5, .LBB22_4
; RV64ZBB-NEXT:  # %bb.3:
; RV64ZBB-NEXT:    sub a1, a3, a1
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a2, a0
; RV64ZBB-NEXT:    ret
; RV64ZBB-NEXT:  .LBB22_4:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %cmp = icmp sge i128 %a, %b
  %ab = sub i128 %a, %b
  %ba = sub i128 %b, %a
  %sel = select i1 %cmp, i128 %ab, i128 %ba
  ret i128 %sel
}

;
; abs(sub_nsw(x, y)) -> abds(a,b)
;

define i8 @abd_subnsw_i8(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    slli a1, a0, 24
; RV32I-NEXT:    srai a1, a1, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i8:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    slli a1, a0, 56
; RV64I-NEXT:    srai a1, a1, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_subnsw_i8:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sub a0, a0, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    neg a1, a0
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    ret
  %sub = sub nsw i8 %a, %b
  %abs = call i8 @llvm.abs.i8(i8 %sub, i1 false)
  ret i8 %abs
}

define i8 @abd_subnsw_i8_undef(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i8_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    slli a1, a0, 24
; RV32I-NEXT:    srai a1, a1, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i8_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    slli a1, a0, 56
; RV64I-NEXT:    srai a1, a1, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_subnsw_i8_undef:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sub a0, a0, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    neg a1, a0
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    ret
  %sub = sub nsw i8 %a, %b
  %abs = call i8 @llvm.abs.i8(i8 %sub, i1 true)
  ret i8 %abs
}

define i16 @abd_subnsw_i16(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    slli a1, a0, 16
; RV32I-NEXT:    srai a1, a1, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    slli a1, a0, 48
; RV64I-NEXT:    srai a1, a1, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_subnsw_i16:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sub a0, a0, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    neg a1, a0
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    ret
  %sub = sub nsw i16 %a, %b
  %abs = call i16 @llvm.abs.i16(i16 %sub, i1 false)
  ret i16 %abs
}

define i16 @abd_subnsw_i16_undef(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i16_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    slli a1, a0, 16
; RV32I-NEXT:    srai a1, a1, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i16_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    slli a1, a0, 48
; RV64I-NEXT:    srai a1, a1, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_subnsw_i16_undef:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sub a0, a0, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    neg a1, a0
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    ret
  %sub = sub nsw i16 %a, %b
  %abs = call i16 @llvm.abs.i16(i16 %sub, i1 true)
  ret i16 %abs
}

define i32 @abd_subnsw_i32(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    sraiw a1, a0, 31
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    subw a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_subnsw_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sub a0, a0, a1
; RV32ZBB-NEXT:    neg a1, a0
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_subnsw_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    subw a0, a0, a1
; RV64ZBB-NEXT:    negw a1, a0
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    ret
  %sub = sub nsw i32 %a, %b
  %abs = call i32 @llvm.abs.i32(i32 %sub, i1 false)
  ret i32 %abs
}

define i32 @abd_subnsw_i32_undef(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i32_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i32_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    sraiw a1, a0, 31
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    subw a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_subnsw_i32_undef:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sub a0, a0, a1
; RV32ZBB-NEXT:    neg a1, a0
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_subnsw_i32_undef:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    subw a0, a0, a1
; RV64ZBB-NEXT:    negw a1, a0
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    ret
  %sub = sub nsw i32 %a, %b
  %abs = call i32 @llvm.abs.i32(i32 %sub, i1 true)
  ret i32 %abs
}

define i64 @abd_subnsw_i64(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    bgez a1, .LBB29_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    snez a2, a0
; RV32I-NEXT:    neg a0, a0
; RV32I-NEXT:    add a1, a1, a2
; RV32I-NEXT:    neg a1, a1
; RV32I-NEXT:  .LBB29_2:
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i64:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_subnsw_i64:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    bgez a1, .LBB29_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    snez a2, a0
; RV32ZBB-NEXT:    neg a0, a0
; RV32ZBB-NEXT:    add a1, a1, a2
; RV32ZBB-NEXT:    neg a1, a1
; RV32ZBB-NEXT:  .LBB29_2:
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_subnsw_i64:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sub a0, a0, a1
; RV64ZBB-NEXT:    neg a1, a0
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    ret
  %sub = sub nsw i64 %a, %b
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 false)
  ret i64 %abs
}

define i64 @abd_subnsw_i64_undef(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i64_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    bgez a1, .LBB30_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    snez a2, a0
; RV32I-NEXT:    neg a0, a0
; RV32I-NEXT:    add a1, a1, a2
; RV32I-NEXT:    neg a1, a1
; RV32I-NEXT:  .LBB30_2:
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i64_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_subnsw_i64_undef:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    bgez a1, .LBB30_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    snez a2, a0
; RV32ZBB-NEXT:    neg a0, a0
; RV32ZBB-NEXT:    add a1, a1, a2
; RV32ZBB-NEXT:    neg a1, a1
; RV32ZBB-NEXT:  .LBB30_2:
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_subnsw_i64_undef:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sub a0, a0, a1
; RV64ZBB-NEXT:    neg a1, a0
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    ret
  %sub = sub nsw i64 %a, %b
  %abs = call i64 @llvm.abs.i64(i64 %sub, i1 true)
  ret i64 %abs
}

define i128 @abd_subnsw_i128(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i128:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    lw a4, 8(a1)
; RV32I-NEXT:    lw a7, 12(a1)
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw t0, 12(a2)
; RV32I-NEXT:    lw a2, 4(a2)
; RV32I-NEXT:    lw a1, 4(a1)
; RV32I-NEXT:    sltu t1, a4, a6
; RV32I-NEXT:    sub t0, a7, t0
; RV32I-NEXT:    sltu a7, a3, a5
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    mv t1, a7
; RV32I-NEXT:    beq a1, a2, .LBB31_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sltu t1, a1, a2
; RV32I-NEXT:  .LBB31_2:
; RV32I-NEXT:    sub a4, a4, a6
; RV32I-NEXT:    sltu a6, a4, t1
; RV32I-NEXT:    sub a2, a1, a2
; RV32I-NEXT:    sub a1, t0, a6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, t1
; RV32I-NEXT:    sub a3, a3, a5
; RV32I-NEXT:    bgez a1, .LBB31_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    neg a5, a4
; RV32I-NEXT:    or a6, a3, a2
; RV32I-NEXT:    snez a4, a4
; RV32I-NEXT:    snez a6, a6
; RV32I-NEXT:    add a1, a1, a4
; RV32I-NEXT:    sltu a4, a5, a6
; RV32I-NEXT:    neg a1, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    snez a7, a3
; RV32I-NEXT:    sub a4, a5, a6
; RV32I-NEXT:    add a2, a2, a7
; RV32I-NEXT:    neg a2, a2
; RV32I-NEXT:    neg a3, a3
; RV32I-NEXT:  .LBB31_4:
; RV32I-NEXT:    sw a3, 0(a0)
; RV32I-NEXT:    sw a2, 4(a0)
; RV32I-NEXT:    sw a4, 8(a0)
; RV32I-NEXT:    sw a1, 12(a0)
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    bgez a1, .LBB31_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    snez a2, a0
; RV64I-NEXT:    neg a0, a0
; RV64I-NEXT:    add a1, a1, a2
; RV64I-NEXT:    neg a1, a1
; RV64I-NEXT:  .LBB31_2:
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_subnsw_i128:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a3, 0(a1)
; RV32ZBB-NEXT:    lw a4, 8(a1)
; RV32ZBB-NEXT:    lw a7, 12(a1)
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw t0, 12(a2)
; RV32ZBB-NEXT:    lw a2, 4(a2)
; RV32ZBB-NEXT:    lw a1, 4(a1)
; RV32ZBB-NEXT:    sltu t1, a4, a6
; RV32ZBB-NEXT:    sub t0, a7, t0
; RV32ZBB-NEXT:    sltu a7, a3, a5
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    mv t1, a7
; RV32ZBB-NEXT:    beq a1, a2, .LBB31_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    sltu t1, a1, a2
; RV32ZBB-NEXT:  .LBB31_2:
; RV32ZBB-NEXT:    sub a4, a4, a6
; RV32ZBB-NEXT:    sltu a6, a4, t1
; RV32ZBB-NEXT:    sub a2, a1, a2
; RV32ZBB-NEXT:    sub a1, t0, a6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, t1
; RV32ZBB-NEXT:    sub a3, a3, a5
; RV32ZBB-NEXT:    bgez a1, .LBB31_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    neg a5, a4
; RV32ZBB-NEXT:    or a6, a3, a2
; RV32ZBB-NEXT:    snez a4, a4
; RV32ZBB-NEXT:    snez a6, a6
; RV32ZBB-NEXT:    add a1, a1, a4
; RV32ZBB-NEXT:    sltu a4, a5, a6
; RV32ZBB-NEXT:    neg a1, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    snez a7, a3
; RV32ZBB-NEXT:    sub a4, a5, a6
; RV32ZBB-NEXT:    add a2, a2, a7
; RV32ZBB-NEXT:    neg a2, a2
; RV32ZBB-NEXT:    neg a3, a3
; RV32ZBB-NEXT:  .LBB31_4:
; RV32ZBB-NEXT:    sw a3, 0(a0)
; RV32ZBB-NEXT:    sw a2, 4(a0)
; RV32ZBB-NEXT:    sw a4, 8(a0)
; RV32ZBB-NEXT:    sw a1, 12(a0)
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_subnsw_i128:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    bgez a1, .LBB31_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    snez a2, a0
; RV64ZBB-NEXT:    neg a0, a0
; RV64ZBB-NEXT:    add a1, a1, a2
; RV64ZBB-NEXT:    neg a1, a1
; RV64ZBB-NEXT:  .LBB31_2:
; RV64ZBB-NEXT:    ret
  %sub = sub nsw i128 %a, %b
  %abs = call i128 @llvm.abs.i128(i128 %sub, i1 false)
  ret i128 %abs
}

define i128 @abd_subnsw_i128_undef(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_subnsw_i128_undef:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a3, 0(a1)
; RV32I-NEXT:    lw a4, 8(a1)
; RV32I-NEXT:    lw a7, 12(a1)
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw t0, 12(a2)
; RV32I-NEXT:    lw a2, 4(a2)
; RV32I-NEXT:    lw a1, 4(a1)
; RV32I-NEXT:    sltu t1, a4, a6
; RV32I-NEXT:    sub t0, a7, t0
; RV32I-NEXT:    sltu a7, a3, a5
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    mv t1, a7
; RV32I-NEXT:    beq a1, a2, .LBB32_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sltu t1, a1, a2
; RV32I-NEXT:  .LBB32_2:
; RV32I-NEXT:    sub a4, a4, a6
; RV32I-NEXT:    sltu a6, a4, t1
; RV32I-NEXT:    sub a2, a1, a2
; RV32I-NEXT:    sub a1, t0, a6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, t1
; RV32I-NEXT:    sub a3, a3, a5
; RV32I-NEXT:    bgez a1, .LBB32_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    neg a5, a4
; RV32I-NEXT:    or a6, a3, a2
; RV32I-NEXT:    snez a4, a4
; RV32I-NEXT:    snez a6, a6
; RV32I-NEXT:    add a1, a1, a4
; RV32I-NEXT:    sltu a4, a5, a6
; RV32I-NEXT:    neg a1, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    snez a7, a3
; RV32I-NEXT:    sub a4, a5, a6
; RV32I-NEXT:    add a2, a2, a7
; RV32I-NEXT:    neg a2, a2
; RV32I-NEXT:    neg a3, a3
; RV32I-NEXT:  .LBB32_4:
; RV32I-NEXT:    sw a3, 0(a0)
; RV32I-NEXT:    sw a2, 4(a0)
; RV32I-NEXT:    sw a4, 8(a0)
; RV32I-NEXT:    sw a1, 12(a0)
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_subnsw_i128_undef:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    bgez a1, .LBB32_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    snez a2, a0
; RV64I-NEXT:    neg a0, a0
; RV64I-NEXT:    add a1, a1, a2
; RV64I-NEXT:    neg a1, a1
; RV64I-NEXT:  .LBB32_2:
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_subnsw_i128_undef:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a3, 0(a1)
; RV32ZBB-NEXT:    lw a4, 8(a1)
; RV32ZBB-NEXT:    lw a7, 12(a1)
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw t0, 12(a2)
; RV32ZBB-NEXT:    lw a2, 4(a2)
; RV32ZBB-NEXT:    lw a1, 4(a1)
; RV32ZBB-NEXT:    sltu t1, a4, a6
; RV32ZBB-NEXT:    sub t0, a7, t0
; RV32ZBB-NEXT:    sltu a7, a3, a5
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    mv t1, a7
; RV32ZBB-NEXT:    beq a1, a2, .LBB32_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    sltu t1, a1, a2
; RV32ZBB-NEXT:  .LBB32_2:
; RV32ZBB-NEXT:    sub a4, a4, a6
; RV32ZBB-NEXT:    sltu a6, a4, t1
; RV32ZBB-NEXT:    sub a2, a1, a2
; RV32ZBB-NEXT:    sub a1, t0, a6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, t1
; RV32ZBB-NEXT:    sub a3, a3, a5
; RV32ZBB-NEXT:    bgez a1, .LBB32_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    neg a5, a4
; RV32ZBB-NEXT:    or a6, a3, a2
; RV32ZBB-NEXT:    snez a4, a4
; RV32ZBB-NEXT:    snez a6, a6
; RV32ZBB-NEXT:    add a1, a1, a4
; RV32ZBB-NEXT:    sltu a4, a5, a6
; RV32ZBB-NEXT:    neg a1, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    snez a7, a3
; RV32ZBB-NEXT:    sub a4, a5, a6
; RV32ZBB-NEXT:    add a2, a2, a7
; RV32ZBB-NEXT:    neg a2, a2
; RV32ZBB-NEXT:    neg a3, a3
; RV32ZBB-NEXT:  .LBB32_4:
; RV32ZBB-NEXT:    sw a3, 0(a0)
; RV32ZBB-NEXT:    sw a2, 4(a0)
; RV32ZBB-NEXT:    sw a4, 8(a0)
; RV32ZBB-NEXT:    sw a1, 12(a0)
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_subnsw_i128_undef:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    bgez a1, .LBB32_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    snez a2, a0
; RV64ZBB-NEXT:    neg a0, a0
; RV64ZBB-NEXT:    add a1, a1, a2
; RV64ZBB-NEXT:    neg a1, a1
; RV64ZBB-NEXT:  .LBB32_2:
; RV64ZBB-NEXT:    ret
  %sub = sub nsw i128 %a, %b
  %abs = call i128 @llvm.abs.i128(i128 %sub, i1 true)
  ret i128 %abs
}

;
; negative tests
;

define i32 @abd_sub_i32(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_sub_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_sub_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    sraiw a1, a0, 31
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    subw a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_sub_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sub a0, a0, a1
; RV32ZBB-NEXT:    neg a1, a0
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_sub_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    subw a0, a0, a1
; RV64ZBB-NEXT:    negw a1, a0
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    ret
  %sub = sub i32 %a, %b
  %abs = call i32 @llvm.abs.i32(i32 %sub, i1 false)
  ret i32 %abs
}

;
; sub(select(icmp(a,b),a,b),select(icmp(a,b),b,a)) -> abds(a,b)
;

define i8 @abd_select_i8(i8 %a, i8 %b) nounwind {
; RV32I-LABEL: abd_select_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 24
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a1, a1, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_select_i8:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 56
; RV64I-NEXT:    slli a0, a0, 56
; RV64I-NEXT:    srai a1, a1, 56
; RV64I-NEXT:    srai a0, a0, 56
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_select_i8:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.b a1, a1
; ZBB-NEXT:    sext.b a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %cmp = icmp slt i8 %a, %b
  %ab = select i1 %cmp, i8 %a, i8 %b
  %ba = select i1 %cmp, i8 %b, i8 %a
  %sub = sub i8 %ba, %ab
  ret i8 %sub
}

define i16 @abd_select_i16(i16 %a, i16 %b) nounwind {
; RV32I-LABEL: abd_select_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a1, 16
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a1, a1, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    xor a0, a0, a1
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_select_i16:
; RV64I:       # %bb.0:
; RV64I-NEXT:    slli a1, a1, 48
; RV64I-NEXT:    slli a0, a0, 48
; RV64I-NEXT:    srai a1, a1, 48
; RV64I-NEXT:    srai a0, a0, 48
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; ZBB-LABEL: abd_select_i16:
; ZBB:       # %bb.0:
; ZBB-NEXT:    sext.h a1, a1
; ZBB-NEXT:    sext.h a0, a0
; ZBB-NEXT:    min a2, a0, a1
; ZBB-NEXT:    max a0, a0, a1
; ZBB-NEXT:    sub a0, a0, a2
; ZBB-NEXT:    ret
  %cmp = icmp sle i16 %a, %b
  %ab = select i1 %cmp, i16 %a, i16 %b
  %ba = select i1 %cmp, i16 %b, i16 %a
  %sub = sub i16 %ba, %ab
  ret i16 %sub
}

define i32 @abd_select_i32(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: abd_select_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    blt a1, a0, .LBB36_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    sub a0, a1, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB36_2:
; RV32I-NEXT:    sub a0, a0, a1
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_select_i32:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sext.w a1, a1
; RV64I-NEXT:    sext.w a0, a0
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    srai a1, a0, 63
; RV64I-NEXT:    xor a0, a0, a1
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_select_i32:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    min a2, a0, a1
; RV32ZBB-NEXT:    max a0, a0, a1
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_select_i32:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sext.w a1, a1
; RV64ZBB-NEXT:    sext.w a0, a0
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %cmp = icmp sgt i32 %a, %b
  %ab = select i1 %cmp, i32 %a, i32 %b
  %ba = select i1 %cmp, i32 %b, i32 %a
  %sub = sub i32 %ab, %ba
  ret i32 %sub
}

define i64 @abd_select_i64(i64 %a, i64 %b) nounwind {
; RV32I-LABEL: abd_select_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    sltu a4, a2, a0
; RV32I-NEXT:    mv a5, a4
; RV32I-NEXT:    beq a1, a3, .LBB37_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt a5, a3, a1
; RV32I-NEXT:  .LBB37_2:
; RV32I-NEXT:    bnez a5, .LBB37_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    sub a1, a3, a1
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a2, a0
; RV32I-NEXT:    ret
; RV32I-NEXT:  .LBB37_4:
; RV32I-NEXT:    sltu a4, a0, a2
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, a4
; RV32I-NEXT:    sub a0, a0, a2
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_select_i64:
; RV64I:       # %bb.0:
; RV64I-NEXT:    blt a1, a0, .LBB37_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    sub a0, a1, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB37_2:
; RV64I-NEXT:    sub a0, a0, a1
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_select_i64:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    sltu a4, a2, a0
; RV32ZBB-NEXT:    mv a5, a4
; RV32ZBB-NEXT:    beq a1, a3, .LBB37_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt a5, a3, a1
; RV32ZBB-NEXT:  .LBB37_2:
; RV32ZBB-NEXT:    bnez a5, .LBB37_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    sub a1, a3, a1
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a2, a0
; RV32ZBB-NEXT:    ret
; RV32ZBB-NEXT:  .LBB37_4:
; RV32ZBB-NEXT:    sltu a4, a0, a2
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, a4
; RV32ZBB-NEXT:    sub a0, a0, a2
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_select_i64:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    min a2, a0, a1
; RV64ZBB-NEXT:    max a0, a0, a1
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %cmp = icmp sge i64 %a, %b
  %ab = select i1 %cmp, i64 %a, i64 %b
  %ba = select i1 %cmp, i64 %b, i64 %a
  %sub = sub i64 %ab, %ba
  ret i64 %sub
}

define i128 @abd_select_i128(i128 %a, i128 %b) nounwind {
; RV32I-LABEL: abd_select_i128:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lw a6, 8(a2)
; RV32I-NEXT:    lw a4, 0(a1)
; RV32I-NEXT:    lw a3, 4(a1)
; RV32I-NEXT:    lw a7, 8(a1)
; RV32I-NEXT:    lw t0, 12(a1)
; RV32I-NEXT:    lw t1, 12(a2)
; RV32I-NEXT:    lw a5, 0(a2)
; RV32I-NEXT:    lw a1, 4(a2)
; RV32I-NEXT:    sltu a2, a6, a7
; RV32I-NEXT:    mv t4, a2
; RV32I-NEXT:    beq t0, t1, .LBB38_2
; RV32I-NEXT:  # %bb.1:
; RV32I-NEXT:    slt t4, t1, t0
; RV32I-NEXT:  .LBB38_2:
; RV32I-NEXT:    sltu t2, a5, a4
; RV32I-NEXT:    sltu t5, a1, a3
; RV32I-NEXT:    mv t3, t2
; RV32I-NEXT:    beq a3, a1, .LBB38_4
; RV32I-NEXT:  # %bb.3:
; RV32I-NEXT:    mv t3, t5
; RV32I-NEXT:  .LBB38_4:
; RV32I-NEXT:    addi sp, sp, -16
; RV32I-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT:    xor t6, t0, t1
; RV32I-NEXT:    xor s0, a7, a6
; RV32I-NEXT:    or t6, s0, t6
; RV32I-NEXT:    beqz t6, .LBB38_6
; RV32I-NEXT:  # %bb.5:
; RV32I-NEXT:    mv t3, t4
; RV32I-NEXT:  .LBB38_6:
; RV32I-NEXT:    mv t4, t2
; RV32I-NEXT:    beq a1, a3, .LBB38_8
; RV32I-NEXT:  # %bb.7:
; RV32I-NEXT:    mv t4, t5
; RV32I-NEXT:  .LBB38_8:
; RV32I-NEXT:    sltu t5, a4, a5
; RV32I-NEXT:    mv t6, t5
; RV32I-NEXT:    beq a3, a1, .LBB38_10
; RV32I-NEXT:  # %bb.9:
; RV32I-NEXT:    sltu t6, a3, a1
; RV32I-NEXT:  .LBB38_10:
; RV32I-NEXT:    bnez t3, .LBB38_12
; RV32I-NEXT:  # %bb.11:
; RV32I-NEXT:    sub t0, t1, t0
; RV32I-NEXT:    sub a6, a6, a7
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t4
; RV32I-NEXT:    sub a4, a5, a4
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a1, a1, a3
; RV32I-NEXT:    sub a1, a1, t2
; RV32I-NEXT:    sub a3, a6, t4
; RV32I-NEXT:    j .LBB38_13
; RV32I-NEXT:  .LBB38_12:
; RV32I-NEXT:    sltu a2, a7, a6
; RV32I-NEXT:    sub t0, t0, t1
; RV32I-NEXT:    sub a6, a7, a6
; RV32I-NEXT:    sub a2, t0, a2
; RV32I-NEXT:    sltu a7, a6, t6
; RV32I-NEXT:    sub a2, a2, a7
; RV32I-NEXT:    sub a4, a4, a5
; RV32I-NEXT:    sub a3, a3, a1
; RV32I-NEXT:    sub a1, a3, t5
; RV32I-NEXT:    sub a3, a6, t6
; RV32I-NEXT:  .LBB38_13:
; RV32I-NEXT:    sw a4, 0(a0)
; RV32I-NEXT:    sw a1, 4(a0)
; RV32I-NEXT:    sw a3, 8(a0)
; RV32I-NEXT:    sw a2, 12(a0)
; RV32I-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT:    addi sp, sp, 16
; RV32I-NEXT:    ret
;
; RV64I-LABEL: abd_select_i128:
; RV64I:       # %bb.0:
; RV64I-NEXT:    sltu a4, a2, a0
; RV64I-NEXT:    mv a5, a4
; RV64I-NEXT:    beq a1, a3, .LBB38_2
; RV64I-NEXT:  # %bb.1:
; RV64I-NEXT:    slt a5, a3, a1
; RV64I-NEXT:  .LBB38_2:
; RV64I-NEXT:    bnez a5, .LBB38_4
; RV64I-NEXT:  # %bb.3:
; RV64I-NEXT:    sub a1, a3, a1
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a2, a0
; RV64I-NEXT:    ret
; RV64I-NEXT:  .LBB38_4:
; RV64I-NEXT:    sltu a4, a0, a2
; RV64I-NEXT:    sub a1, a1, a3
; RV64I-NEXT:    sub a1, a1, a4
; RV64I-NEXT:    sub a0, a0, a2
; RV64I-NEXT:    ret
;
; RV32ZBB-LABEL: abd_select_i128:
; RV32ZBB:       # %bb.0:
; RV32ZBB-NEXT:    lw a6, 8(a2)
; RV32ZBB-NEXT:    lw a4, 0(a1)
; RV32ZBB-NEXT:    lw a3, 4(a1)
; RV32ZBB-NEXT:    lw a7, 8(a1)
; RV32ZBB-NEXT:    lw t0, 12(a1)
; RV32ZBB-NEXT:    lw t1, 12(a2)
; RV32ZBB-NEXT:    lw a5, 0(a2)
; RV32ZBB-NEXT:    lw a1, 4(a2)
; RV32ZBB-NEXT:    sltu a2, a6, a7
; RV32ZBB-NEXT:    mv t4, a2
; RV32ZBB-NEXT:    beq t0, t1, .LBB38_2
; RV32ZBB-NEXT:  # %bb.1:
; RV32ZBB-NEXT:    slt t4, t1, t0
; RV32ZBB-NEXT:  .LBB38_2:
; RV32ZBB-NEXT:    sltu t2, a5, a4
; RV32ZBB-NEXT:    sltu t5, a1, a3
; RV32ZBB-NEXT:    mv t3, t2
; RV32ZBB-NEXT:    beq a3, a1, .LBB38_4
; RV32ZBB-NEXT:  # %bb.3:
; RV32ZBB-NEXT:    mv t3, t5
; RV32ZBB-NEXT:  .LBB38_4:
; RV32ZBB-NEXT:    addi sp, sp, -16
; RV32ZBB-NEXT:    sw s0, 12(sp) # 4-byte Folded Spill
; RV32ZBB-NEXT:    xor t6, t0, t1
; RV32ZBB-NEXT:    xor s0, a7, a6
; RV32ZBB-NEXT:    or t6, s0, t6
; RV32ZBB-NEXT:    beqz t6, .LBB38_6
; RV32ZBB-NEXT:  # %bb.5:
; RV32ZBB-NEXT:    mv t3, t4
; RV32ZBB-NEXT:  .LBB38_6:
; RV32ZBB-NEXT:    mv t4, t2
; RV32ZBB-NEXT:    beq a1, a3, .LBB38_8
; RV32ZBB-NEXT:  # %bb.7:
; RV32ZBB-NEXT:    mv t4, t5
; RV32ZBB-NEXT:  .LBB38_8:
; RV32ZBB-NEXT:    sltu t5, a4, a5
; RV32ZBB-NEXT:    mv t6, t5
; RV32ZBB-NEXT:    beq a3, a1, .LBB38_10
; RV32ZBB-NEXT:  # %bb.9:
; RV32ZBB-NEXT:    sltu t6, a3, a1
; RV32ZBB-NEXT:  .LBB38_10:
; RV32ZBB-NEXT:    bnez t3, .LBB38_12
; RV32ZBB-NEXT:  # %bb.11:
; RV32ZBB-NEXT:    sub t0, t1, t0
; RV32ZBB-NEXT:    sub a6, a6, a7
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t4
; RV32ZBB-NEXT:    sub a4, a5, a4
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a1, a1, a3
; RV32ZBB-NEXT:    sub a1, a1, t2
; RV32ZBB-NEXT:    sub a3, a6, t4
; RV32ZBB-NEXT:    j .LBB38_13
; RV32ZBB-NEXT:  .LBB38_12:
; RV32ZBB-NEXT:    sltu a2, a7, a6
; RV32ZBB-NEXT:    sub t0, t0, t1
; RV32ZBB-NEXT:    sub a6, a7, a6
; RV32ZBB-NEXT:    sub a2, t0, a2
; RV32ZBB-NEXT:    sltu a7, a6, t6
; RV32ZBB-NEXT:    sub a2, a2, a7
; RV32ZBB-NEXT:    sub a4, a4, a5
; RV32ZBB-NEXT:    sub a3, a3, a1
; RV32ZBB-NEXT:    sub a1, a3, t5
; RV32ZBB-NEXT:    sub a3, a6, t6
; RV32ZBB-NEXT:  .LBB38_13:
; RV32ZBB-NEXT:    sw a4, 0(a0)
; RV32ZBB-NEXT:    sw a1, 4(a0)
; RV32ZBB-NEXT:    sw a3, 8(a0)
; RV32ZBB-NEXT:    sw a2, 12(a0)
; RV32ZBB-NEXT:    lw s0, 12(sp) # 4-byte Folded Reload
; RV32ZBB-NEXT:    addi sp, sp, 16
; RV32ZBB-NEXT:    ret
;
; RV64ZBB-LABEL: abd_select_i128:
; RV64ZBB:       # %bb.0:
; RV64ZBB-NEXT:    sltu a4, a2, a0
; RV64ZBB-NEXT:    mv a5, a4
; RV64ZBB-NEXT:    beq a1, a3, .LBB38_2
; RV64ZBB-NEXT:  # %bb.1:
; RV64ZBB-NEXT:    slt a5, a3, a1
; RV64ZBB-NEXT:  .LBB38_2:
; RV64ZBB-NEXT:    bnez a5, .LBB38_4
; RV64ZBB-NEXT:  # %bb.3:
; RV64ZBB-NEXT:    sub a1, a3, a1
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a2, a0
; RV64ZBB-NEXT:    ret
; RV64ZBB-NEXT:  .LBB38_4:
; RV64ZBB-NEXT:    sltu a4, a0, a2
; RV64ZBB-NEXT:    sub a1, a1, a3
; RV64ZBB-NEXT:    sub a1, a1, a4
; RV64ZBB-NEXT:    sub a0, a0, a2
; RV64ZBB-NEXT:    ret
  %cmp = icmp slt i128 %a, %b
  %ab = select i1 %cmp, i128 %a, i128 %b
  %ba = select i1 %cmp, i128 %b, i128 %a
  %sub = sub i128 %ba, %ab
  ret i128 %sub
}