llvm/test/CodeGen/SystemZ/shift-09.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; Test three-operand shifts.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s

; Check that we use SLLK over SLL where useful.
define i32 @f1(i32 %a, i32 %b, i32 %amt) {
; CHECK-LABEL: f1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    sllk %r2, %r3, 15(%r4)
; CHECK-NEXT:    br %r14
  %add = add i32 %amt, 15
  %shift = shl i32 %b, %add
  ret i32 %shift
}

; Check that we use SLL over SLLK where possible.
define i32 @f2(i32 %a, i32 %amt) {
; CHECK-LABEL: f2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    sll %r2, 15(%r3)
; CHECK-NEXT:    br %r14
  %add = add i32 %amt, 15
  %shift = shl i32 %a, %add
  ret i32 %shift
}

; Check that we use SRLK over SRL where useful.
define i32 @f3(i32 %a, i32 %b, i32 %amt) {
; CHECK-LABEL: f3:
; CHECK:       # %bb.0:
; CHECK-NEXT:    srlk %r2, %r3, 15(%r4)
; CHECK-NEXT:    br %r14
  %add = add i32 %amt, 15
  %shift = lshr i32 %b, %add
  ret i32 %shift
}

; Check that we use SRL over SRLK where possible.
define i32 @f4(i32 %a, i32 %amt) {
; CHECK-LABEL: f4:
; CHECK:       # %bb.0:
; CHECK-NEXT:    srl %r2, 15(%r3)
; CHECK-NEXT:    br %r14
  %add = add i32 %amt, 15
  %shift = lshr i32 %a, %add
  ret i32 %shift
}

; Check that we use SRAK over SRA where useful.
define i32 @f5(i32 %a, i32 %b, i32 %amt) {
; CHECK-LABEL: f5:
; CHECK:       # %bb.0:
; CHECK-NEXT:    srak %r2, %r3, 15(%r4)
; CHECK-NEXT:    br %r14
  %add = add i32 %amt, 15
  %shift = ashr i32 %b, %add
  ret i32 %shift
}

; Check that we use SRA over SRAK where possible.
define i32 @f6(i32 %a, i32 %amt) {
; CHECK-LABEL: f6:
; CHECK:       # %bb.0:
; CHECK-NEXT:    sra %r2, 15(%r3)
; CHECK-NEXT:    br %r14
  %add = add i32 %amt, 15
  %shift = ashr i32 %a, %add
  ret i32 %shift
}