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llvm/llvm/test/CodeGen/X86/vec_ctbits.ll 

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s

declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1)
declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1)
declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64>)

define <2 x i64> @footz(<2 x i64> %a) nounwind {
; CHECK-LABEL: footz:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pcmpeqd %xmm1, %xmm1
; CHECK-NEXT:    paddq %xmm0, %xmm1
; CHECK-NEXT:    pandn %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $1, %xmm1
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT:    psubb %xmm1, %xmm0
; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    pand %xmm1, %xmm2
; CHECK-NEXT:    psrlw $2, %xmm0
; CHECK-NEXT:    pand %xmm1, %xmm0
; CHECK-NEXT:    paddb %xmm2, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $4, %xmm1
; CHECK-NEXT:    paddb %xmm1, %xmm0
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT:    pxor %xmm1, %xmm1
; CHECK-NEXT:    psadbw %xmm1, %xmm0
; CHECK-NEXT:    retq
  %c = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 true)
  ret <2 x i64> %c

}
define <2 x i64> @foolz(<2 x i64> %a) nounwind {
; CHECK-LABEL: foolz:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlq $1, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlq $2, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlq $4, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlq $8, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlq $16, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlq $32, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    pcmpeqd %xmm1, %xmm1
; CHECK-NEXT:    pxor %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $1, %xmm1
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT:    psubb %xmm1, %xmm0
; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    pand %xmm1, %xmm2
; CHECK-NEXT:    psrlw $2, %xmm0
; CHECK-NEXT:    pand %xmm1, %xmm0
; CHECK-NEXT:    paddb %xmm2, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $4, %xmm1
; CHECK-NEXT:    paddb %xmm1, %xmm0
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT:    pxor %xmm1, %xmm1
; CHECK-NEXT:    psadbw %xmm1, %xmm0
; CHECK-NEXT:    retq
  %c = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 true)
  ret <2 x i64> %c

}

define <2 x i64> @foopop(<2 x i64> %a) nounwind {
; CHECK-LABEL: foopop:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $1, %xmm1
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT:    psubb %xmm1, %xmm0
; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    pand %xmm1, %xmm2
; CHECK-NEXT:    psrlw $2, %xmm0
; CHECK-NEXT:    pand %xmm1, %xmm0
; CHECK-NEXT:    paddb %xmm2, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $4, %xmm1
; CHECK-NEXT:    paddb %xmm1, %xmm0
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT:    pxor %xmm1, %xmm1
; CHECK-NEXT:    psadbw %xmm1, %xmm0
; CHECK-NEXT:    retq
  %c = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
  ret <2 x i64> %c
}

declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1)
declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1)
declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>)

define <2 x i32> @promtz(<2 x i32> %a) nounwind {
; CHECK-LABEL: promtz:
; CHECK:       # %bb.0:
; CHECK-NEXT:    pcmpeqd %xmm1, %xmm1
; CHECK-NEXT:    paddd %xmm0, %xmm1
; CHECK-NEXT:    pandn %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $1, %xmm1
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT:    psubb %xmm1, %xmm0
; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    pand %xmm1, %xmm2
; CHECK-NEXT:    psrlw $2, %xmm0
; CHECK-NEXT:    pand %xmm1, %xmm0
; CHECK-NEXT:    paddb %xmm2, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $4, %xmm1
; CHECK-NEXT:    paddb %xmm1, %xmm0
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT:    pxor %xmm1, %xmm1
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3]
; CHECK-NEXT:    psadbw %xmm1, %xmm2
; CHECK-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; CHECK-NEXT:    psadbw %xmm1, %xmm0
; CHECK-NEXT:    packuswb %xmm2, %xmm0
; CHECK-NEXT:    retq
  %c = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false)
  ret <2 x i32> %c

}
define <2 x i32> @promlz(<2 x i32> %a) nounwind {
; CHECK-LABEL: promlz:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrld $1, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrld $2, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrld $4, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrld $8, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrld $16, %xmm1
; CHECK-NEXT:    por %xmm1, %xmm0
; CHECK-NEXT:    pcmpeqd %xmm1, %xmm1
; CHECK-NEXT:    pxor %xmm1, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $1, %xmm1
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT:    psubb %xmm1, %xmm0
; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    pand %xmm1, %xmm2
; CHECK-NEXT:    psrlw $2, %xmm0
; CHECK-NEXT:    pand %xmm1, %xmm0
; CHECK-NEXT:    paddb %xmm2, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $4, %xmm1
; CHECK-NEXT:    paddb %xmm1, %xmm0
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT:    pxor %xmm1, %xmm1
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3]
; CHECK-NEXT:    psadbw %xmm1, %xmm2
; CHECK-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; CHECK-NEXT:    psadbw %xmm1, %xmm0
; CHECK-NEXT:    packuswb %xmm2, %xmm0
; CHECK-NEXT:    retq
  %c = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false)
  ret <2 x i32> %c

}

define <2 x i32> @prompop(<2 x i32> %a) nounwind {
; CHECK-LABEL: prompop:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $1, %xmm1
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1
; CHECK-NEXT:    psubb %xmm1, %xmm0
; CHECK-NEXT:    movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51]
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    pand %xmm1, %xmm2
; CHECK-NEXT:    psrlw $2, %xmm0
; CHECK-NEXT:    pand %xmm1, %xmm0
; CHECK-NEXT:    paddb %xmm2, %xmm0
; CHECK-NEXT:    movdqa %xmm0, %xmm1
; CHECK-NEXT:    psrlw $4, %xmm1
; CHECK-NEXT:    paddb %xmm1, %xmm0
; CHECK-NEXT:    pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0
; CHECK-NEXT:    pxor %xmm1, %xmm1
; CHECK-NEXT:    movdqa %xmm0, %xmm2
; CHECK-NEXT:    punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3]
; CHECK-NEXT:    psadbw %xmm1, %xmm2
; CHECK-NEXT:    punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; CHECK-NEXT:    psadbw %xmm1, %xmm0
; CHECK-NEXT:    packuswb %xmm2, %xmm0
; CHECK-NEXT:    retq
  %c = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %a)
  ret <2 x i32> %c
}