test/CodeGen/PowerPC/bswap64.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-unknown \
; RUN:   -mcpu=pwr9 | FileCheck %s
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unkknown-unkknown \
; RUN:   -mcpu=pwr9 -mattr=-altivec | FileCheck %s --check-prefix=NO-ALTIVEC

declare i64 @llvm.bswap.i64(i64)

define i64 @bswap64(i64 %x) {
; CHECK-LABEL: bswap64:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    mtvsrdd 34, 3, 3
; CHECK-NEXT:    xxbrd 0, 34
; CHECK-NEXT:    mfvsrd 3, 0
; CHECK-NEXT:    blr
;
; NO-ALTIVEC-LABEL: bswap64:
; NO-ALTIVEC:       # %bb.0: # %entry
; NO-ALTIVEC-NEXT:    rotldi 5, 3, 16
; NO-ALTIVEC-NEXT:    rotldi 4, 3, 8
; NO-ALTIVEC-NEXT:    rldimi 4, 5, 8, 48
; NO-ALTIVEC-NEXT:    rotldi 5, 3, 24
; NO-ALTIVEC-NEXT:    rldimi 4, 5, 16, 40
; NO-ALTIVEC-NEXT:    rotldi 5, 3, 32
; NO-ALTIVEC-NEXT:    rldimi 4, 5, 24, 32
; NO-ALTIVEC-NEXT:    rotldi 5, 3, 48
; NO-ALTIVEC-NEXT:    rldimi 4, 5, 40, 16
; NO-ALTIVEC-NEXT:    rotldi 5, 3, 56
; NO-ALTIVEC-NEXT:    rldimi 4, 5, 48, 8
; NO-ALTIVEC-NEXT:    rldimi 4, 3, 56, 0
; NO-ALTIVEC-NEXT:    mr 3, 4
; NO-ALTIVEC-NEXT:    blr
entry:
  %0 = call i64 @llvm.bswap.i64(i64 %x)
  ret i64 %0
}