1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
; A combine forming X86ISD::VSHLI was missing a test and not using
; TargetConstant for the RHS operand.
; https://bugs.chromium.org/p/chromium/issues/detail?id=1005750
define <8 x i8> @vshli_target_constant(<8 x i16> %arg, <8 x i32> %arg1) {
; CHECK-LABEL: vshli_target_constant:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: movdqa {{.*#+}} xmm0 = [2863311531,2863311531,2863311531,2863311531]
; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
; CHECK-NEXT: pmuludq %xmm0, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm4 = xmm1[1,3,2,3]
; CHECK-NEXT: pmuludq %xmm0, %xmm3
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm3[1,3,2,3]
; CHECK-NEXT: punpckldq {{.*#+}} xmm4 = xmm4[0],xmm1[0],xmm4[1],xmm1[1]
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
; CHECK-NEXT: pmuludq %xmm0, %xmm2
; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,3,2,3]
; CHECK-NEXT: pmuludq %xmm0, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,3,2,3]
; CHECK-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1]
; CHECK-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
; CHECK-NEXT: pslld $15, %xmm2
; CHECK-NEXT: psrad $16, %xmm2
; CHECK-NEXT: pslld $15, %xmm4
; CHECK-NEXT: psrad $16, %xmm4
; CHECK-NEXT: packssdw %xmm2, %xmm4
; CHECK-NEXT: pand {{.*}}(%rip), %xmm4
; CHECK-NEXT: pxor %xmm0, %xmm0
; CHECK-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; CHECK-NEXT: pmullw %xmm4, %xmm1
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; CHECK-NEXT: punpckhwd {{.*#+}} xmm1 = xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [128,128,128,128]
; CHECK-NEXT: paddd %xmm2, %xmm1
; CHECK-NEXT: paddd %xmm2, %xmm0
; CHECK-NEXT: psrld $8, %xmm0
; CHECK-NEXT: psrld $8, %xmm1
; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [255,0,0,0,255,0,0,0,255,0,0,0,255,0,0,0]
; CHECK-NEXT: pand %xmm2, %xmm1
; CHECK-NEXT: pand %xmm2, %xmm0
; CHECK-NEXT: packuswb %xmm1, %xmm0
; CHECK-NEXT: packuswb %xmm0, %xmm0
; CHECK-NEXT: retq
bb:
%tmp = udiv <8 x i32> %arg1, <i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3>
%tmp2 = and <8 x i32> %tmp, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
%tmp3 = load <8 x i8>, <8 x i8>* undef, align 1
%tmp4 = zext <8 x i8> %tmp3 to <8 x i32>
%tmp5 = mul nuw nsw <8 x i32> %tmp2, %tmp4
%tmp6 = add nuw nsw <8 x i32> %tmp5, <i32 128, i32 128, i32 128, i32 128, i32 128, i32 128, i32 128, i32 128>
%tmp7 = lshr <8 x i32> %tmp6, <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
%tmp8 = trunc <8 x i32> %tmp7 to <8 x i8>
ret <8 x i8> %tmp8
}
|