text: ; Test that divisions by constants are implemented as multiplications.
  ;
  ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
  
  ; Check signed 32-bit division.
  define i32 @f1(i32 %a) {
  ; CHECK-LABEL: f1:
  ; CHECK: lgfr [[REG:%r[0-5]]], %r2
  ; CHECK: msgfi [[REG]], 502748801
  ; CHECK-DAG: srlg [[RES1:%r[0-5]]], [[REG]], 63
  ; CHECK-DAG: srag %r2, [[REG]], 46
  ; CHECK: ar %r2, [[RES1]]
  ; CHECK: br %r14
    %b = sdiv i32 %a, 139968
    ret i32 %b
  }
  
  ; Check unsigned 32-bit division.
  define i32 @f2(i32 %a) {
  ; CHECK-LABEL: f2:
  ; CHECK: llgfr [[REG:%r[0-5]]], %r2
  ; CHECK: msgfi [[REG]], 502748801
  ; CHECK: srlg %r2, [[REG]], 46
  ; CHECK: br %r14
    %b = udiv i32 %a, 139968
    ret i32 %b
  }
  
  ; Check signed 64-bit division.
  define i64 @f3(i64 %dummy, i64 %a) {
  ; CHECK-LABEL: f3:
  ; CHECK-DAG: llihf [[CONST:%r[0-5]]], 1005497601
  ; CHECK-DAG: oilf [[CONST]], 4251762321
  ; CHECK-DAG: srag [[REG:%r[0-5]]], %r3, 63
  ; CHECK-DAG: ngr [[REG]], [[CONST]]
  ; CHECK-DAG: mlgr %r2, [[CONST]]
  ; CHECK: sgr %r2, [[REG]]
  ; CHECK: srlg [[RES1:%r[0-5]]], %r2, 63
  ; CHECK: srag %r2, %r2, 15
  ; CHECK: agr %r2, [[RES1]]
  ; CHECK: br %r14
    %b = sdiv i64 %a, 139968
    ret i64 %b
  }
  
  ; Check unsigned 64-bit division.
  define i64 @f4(i64 %dummy, i64 %a) {
  ; CHECK-LABEL: f4:
  ; CHECK: llihf [[CONST:%r[0-5]]], 1005497601
  ; CHECK: oilf [[CONST]], 4251762321
  ; CHECK: mlgr %r2, [[CONST]]
  ; CHECK: srlg %r2, %r2, 15
  ; CHECK: br %r14
    %b = udiv i64 %a, 139968
    ret i64 %b
  }
  