llvm.org GIT mirror llvm / 5b05711 test / CodeGen / X86 / avx512-shift.ll
5b05711

Tree @5b05711 (Download .tar.gz)

avx512-shift.ll @5b05711raw · history · blame

;RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s

;CHECK-LABEL: shift_16_i32
;CHECK: vpsrld
;CHECK: vpslld
;CHECK: vpsrad
;CHECK: ret
define <16 x i32> @shift_16_i32(<16 x i32> %a) {
   %b = lshr <16 x i32> %a, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
   %c = shl <16 x i32> %b, <i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12>
   %d = ashr <16 x i32> %c, <i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12>
   ret <16 x i32> %d;
}

;CHECK-LABEL: shift_8_i64
;CHECK: vpsrlq
;CHECK: vpsllq
;CHECK: vpsraq
;CHECK: ret
define <8 x i64> @shift_8_i64(<8 x i64> %a) {
   %b = lshr <8 x i64> %a, <i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1, i64 1>
   %c = shl <8 x i64> %b,  <i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12>
   %d = ashr <8 x i64> %c, <i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12, i64 12>
   ret <8 x i64> %d;
}

; CHECK-LABEL: variable_shl4
; CHECK: vpsllvq %zmm
; CHECK: ret
define <8 x i64> @variable_shl4(<8 x i64> %x, <8 x i64> %y) {
  %k = shl <8 x i64> %x, %y
  ret <8 x i64> %k
}

; CHECK-LABEL: variable_shl5
; CHECK: vpsllvd %zmm
; CHECK: ret
define <16 x i32> @variable_shl5(<16 x i32> %x, <16 x i32> %y) {
  %k = shl <16 x i32> %x, %y
  ret <16 x i32> %k
}

; CHECK-LABEL: variable_srl0
; CHECK: vpsrlvd
; CHECK: ret
define <16 x i32> @variable_srl0(<16 x i32> %x, <16 x i32> %y) {
  %k = lshr <16 x i32> %x, %y
  ret <16 x i32> %k
}

; CHECK-LABEL: variable_srl2
; CHECK: psrlvq
; CHECK: ret
define <8 x i64> @variable_srl2(<8 x i64> %x, <8 x i64> %y) {
  %k = lshr <8 x i64> %x, %y
  ret <8 x i64> %k
}

; CHECK-LABEL: variable_sra1
; CHECK: vpsravd
; CHECK: ret
define <16 x i32> @variable_sra1(<16 x i32> %x, <16 x i32> %y) {
  %k = ashr <16 x i32> %x, %y
  ret <16 x i32> %k
}

; CHECK-LABEL: variable_sra2
; CHECK: vpsravq %zmm
; CHECK: ret
define <8 x i64> @variable_sra2(<8 x i64> %x, <8 x i64> %y) {
  %k = ashr <8 x i64> %x, %y
  ret <8 x i64> %k
}

; CHECK-LABEL: variable_sra01_load
; CHECK: vpsravd (%
; CHECK: ret
define <16 x i32> @variable_sra01_load(<16 x i32> %x, <16 x i32>* %y) {
  %y1 = load <16 x i32>* %y
  %k = ashr <16 x i32> %x, %y1
  ret <16 x i32> %k
}

; CHECK-LABEL: variable_shl1_load
; CHECK: vpsllvd (%
; CHECK: ret
define <16 x i32> @variable_shl1_load(<16 x i32> %x, <16 x i32>* %y) {
  %y1 = load <16 x i32>* %y
  %k = shl <16 x i32> %x, %y1
  ret <16 x i32> %k
}
; CHECK: variable_srl0_load
; CHECK: vpsrlvd (%
; CHECK: ret
define <16 x i32> @variable_srl0_load(<16 x i32> %x, <16 x i32>* %y) {
  %y1 = load <16 x i32>* %y
  %k = lshr <16 x i32> %x, %y1
  ret <16 x i32> %k
}

; CHECK: variable_srl3_load
; CHECK: vpsrlvq (%
; CHECK: ret
define <8 x i64> @variable_srl3_load(<8 x i64> %x, <8 x i64>* %y) {
  %y1 = load <8 x i64>* %y
  %k = lshr <8 x i64> %x, %y1
  ret <8 x i64> %k
}