llvm-6502/test/CodeGen/X86/vec_sdiv_to_shift.ll
Benjamin Kramer 1cb47b9afe Test case hygiene.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176772 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09 18:25:40 +00:00

73 lines
1.6 KiB
LLVM

; RUN: llc < %s -march=x86-64 -mcpu=penryn -mattr=+avx2 | FileCheck %s
define <8 x i16> @sdiv_vec8x16(<8 x i16> %var) {
entry:
; CHECK: sdiv_vec8x16
; CHECK: psraw $15
; CHECK: vpsrlw $11
; CHECK: vpaddw
; CHECK: vpsraw $5
; CHECK: ret
%0 = sdiv <8 x i16> %var, <i16 32, i16 32, i16 32, i16 32, i16 32, i16 32, i16 32, i16 32>
ret <8 x i16> %0
}
define <4 x i32> @sdiv_zero(<4 x i32> %var) {
entry:
; CHECK: sdiv_zero
; CHECK-NOT: sra
; CHECK: ret
%0 = sdiv <4 x i32> %var, <i32 0, i32 0, i32 0, i32 0>
ret <4 x i32> %0
}
define <4 x i32> @sdiv_vec4x32(<4 x i32> %var) {
entry:
; CHECK: sdiv_vec4x32
; CHECK: vpsrad $31
; CHECK: vpsrld $28
; CHECK: vpaddd
; CHECK: vpsrad $4
; CHECK: ret
%0 = sdiv <4 x i32> %var, <i32 16, i32 16, i32 16, i32 16>
ret <4 x i32> %0
}
define <4 x i32> @sdiv_negative(<4 x i32> %var) {
entry:
; CHECK: sdiv_negative
; CHECK: vpsrad $31
; CHECK: vpsrld $28
; CHECK: vpaddd
; CHECK: vpsrad $4
; CHECK: vpsubd
; CHECK: ret
%0 = sdiv <4 x i32> %var, <i32 -16, i32 -16, i32 -16, i32 -16>
ret <4 x i32> %0
}
define <8 x i32> @sdiv8x32(<8 x i32> %var) {
entry:
; CHECK: sdiv8x32
; CHECK: vpsrad $31
; CHECK: vpsrld $26
; CHECK: vpaddd
; CHECK: vpsrad $6
; CHECK: ret
%0 = sdiv <8 x i32> %var, <i32 64, i32 64, i32 64, i32 64, i32 64, i32 64, i32 64, i32 64>
ret <8 x i32> %0
}
define <16 x i16> @sdiv16x16(<16 x i16> %var) {
entry:
; CHECK: sdiv16x16
; CHECK: vpsraw $15
; CHECK: vpsrlw $14
; CHECK: vpaddw
; CHECK: vpsraw $2
; CHECK: ret
%a0 = sdiv <16 x i16> %var, <i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4>
ret <16 x i16> %a0
}