test/CodeGen/Mips/llvm-ir/srem.ll

; RUN: llc < %s -march=mips -mcpu=mips2 | FileCheck %s \
; RUN:  -check-prefix=GP32 -check-prefix=NOT-R6 -check-prefix=NOT-R2-R6
; RUN: llc < %s -march=mips -mcpu=mips32 | FileCheck %s \
; RUN:  -check-prefix=GP32 -check-prefix=NOT-R6 -check-prefix=NOT-R2-R6
; RUN: llc < %s -march=mips -mcpu=mips32r2 | FileCheck %s -check-prefix=GP32 \
; RUN:  -check-prefix=R2-R5 -check-prefix=R2-R6 -check-prefix=NOT-R6
; RUN: llc < %s -march=mips -mcpu=mips32r3 | FileCheck %s -check-prefix=GP32 \
; RUN:  -check-prefix=R2-R5 -check-prefix=R2-R6 -check-prefix=NOT-R6
; RUN: llc < %s -march=mips -mcpu=mips32r5 | FileCheck %s -check-prefix=GP32 \
; RUN:  -check-prefix=R2-R5 -check-prefix=R2-R6 -check-prefix=NOT-R6
; RUN: llc < %s -march=mips -mcpu=mips32r6 | FileCheck %s \
; RUN:   -check-prefix=GP32 -check-prefix=R6 -check-prefix=R2-R6
; RUN: llc < %s -march=mips64 -mcpu=mips3 | FileCheck %s \
; RUN:  -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R6 -check-prefix=NOT-R2-R6
; RUN: llc < %s -march=mips64 -mcpu=mips4 | FileCheck %s \
; RUN:  -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R6 -check-prefix=NOT-R2-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64 | FileCheck %s \
; RUN:  -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R6 -check-prefix=NOT-R2-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r2 | FileCheck %s \
; RUN:  -check-prefix=R2-R5 -check-prefix=R2-R6 \
; RUN:  -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r3 | FileCheck %s \
; RUN:  -check-prefix=R2-R5 -check-prefix=R2-R6 \
; RUN:  -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r5 | FileCheck %s \
; RUN:  -check-prefix=R2-R5 -check-prefix=R2-R6 \
; RUN:  -check-prefix=GP64-NOT-R6 -check-prefix=NOT-R6
; RUN: llc < %s -march=mips64 -mcpu=mips64r6 | FileCheck %s \
; RUN:  -check-prefix=64R6 -check-prefix=R6 -check-prefix=R2-R6

define signext i1 @srem_i1(i1 signext %a, i1 signext %b) {
entry:
; ALL-LABEL: srem_i1:

  ; NOT-R6:       div     $zero, $4, $5
  ; NOT-R6:       teq     $5, $zero, 7
  ; NOT-R6:       mfhi    $[[T0:[0-9]+]]
  ; NOT-R6:       sll     $[[T1:[0-9]+]], $[[T0]], 31
  ; NOT-R6:       sra     $2, $[[T1]], 31

  ; R6:           mod     $[[T0:[0-9]+]], $4, $5
  ; R6:           teq     $5, $zero, 7
  ; R6:           sll     $[[T3:[0-9]+]], $[[T0]], 31
  ; R6:           sra     $2, $[[T3]], 31

  %r = srem i1 %a, %b
  ret i1 %r
}

define signext i8 @srem_i8(i8 signext %a, i8 signext %b) {
entry:
; ALL-LABEL: srem_i8:

  ; NOT-R2-R6:    div     $zero, $4, $5
  ; NOT-R2-R6:    teq     $5, $zero, 7
  ; NOT-R2-R6:    mfhi    $[[T0:[0-9]+]]
  ; NOT-R2-R6:    sll     $[[T1:[0-9]+]], $[[T0]], 24
  ; NOT-R2-R6:    sra     $2, $[[T1]], 24

  ; R2-R5:        div     $zero, $4, $5
  ; R2-R5:        teq     $5, $zero, 7
  ; R2-R5:        mfhi    $[[T0:[0-9]+]]
  ; R2-R5:        seb     $2, $[[T0]]

  ; R6:           mod     $[[T0:[0-9]+]], $4, $5
  ; R6:           teq     $5, $zero, 7
  ; R6:           seb     $2, $[[T0]]

  %r = srem i8 %a, %b
  ret i8 %r
}

define signext i16 @srem_i16(i16 signext %a, i16 signext %b) {
entry:
; ALL-LABEL: srem_i16:

  ; NOT-R2-R6:    div     $zero, $4, $5
  ; NOT-R2-R6:    teq     $5, $zero, 7
  ; NOT-R2-R6:    mfhi    $[[T0:[0-9]+]]
  ; NOT-R2-R6:    sll     $[[T1:[0-9]+]], $[[T0]], 16
  ; NOT-R2-R6:    sra     $2, $[[T1]], 16

  ; R2-R5:        div     $zero, $4, $5
  ; R2-R5:        teq     $5, $zero, 7
  ; R2-R5:        mfhi    $[[T0:[0-9]+]]
  ; R2-R5:        seh     $2, $[[T1]]

  ; R6:           mod     $[[T0:[0-9]+]], $4, $5
  ; R6:           teq     $5, $zero, 7
  ; R6:           seh     $2, $[[T0]]

  %r = srem i16 %a, %b
  ret i16 %r
}

define signext i32 @srem_i32(i32 signext %a, i32 signext %b) {
entry:
; ALL-LABEL: srem_i32:

  ; NOT-R6:       div     $zero, $4, $5
  ; NOT-R6:       teq     $5, $zero, 7
  ; NOT-R6:       mfhi    $2

  ; R6:           mod     $2, $4, $5
  ; R6:           teq     $5, $zero, 7

  %r = srem i32 %a, %b
  ret i32 %r
}

define signext i64 @srem_i64(i64 signext %a, i64 signext %b) {
entry:
; ALL-LABEL: srem_i64:

  ; GP32:         lw      $25, %call16(__moddi3)($gp)

  ; GP64-NOT-R6:  ddiv    $zero, $4, $5
  ; GP64-NOT-R6:  teq     $5, $zero, 7
  ; GP64-NOT-R6:  mfhi    $2

  ; 64R6:         dmod    $2, $4, $5
  ; 64R6:         teq     $5, $zero, 7

  %r = srem i64 %a, %b
  ret i64 %r
}

define signext i128 @srem_i128(i128 signext %a, i128 signext %b) {
entry:
; ALL-LABEL: srem_i128:

  ; GP32:         lw      $25, %call16(__modti3)($gp)

  ; GP64-NOT-R6:  ld      $25, %call16(__modti3)($gp)
  ; 64-R6:        ld      $25, %call16(__modti3)($gp)

  %r = srem i128 %a, %b
  ret i128 %r
}