blob: ec087763d1242a37fb39f9db9362b2777b901d16 [file] [log] [blame]
Dan Gohman2d65d352009-08-25 15:38:29 +00001; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -disable-mmx -o %t
Mon P Wang576beb22009-01-28 08:13:56 +00002; RUN: grep psrad %t | count 2
3; RUN: grep psraw %t | count 2
4
5; test vector shifts converted to proper SSE2 vector shifts when the shift
6; amounts are the same.
7
8; Note that x86 does have ashr
9define void @shift1a(<2 x i64> %val, <2 x i64>* %dst) nounwind {
10entry:
11 %ashr = ashr <2 x i64> %val, < i64 32, i64 32 >
12 store <2 x i64> %ashr, <2 x i64>* %dst
13 ret void
14}
15
16define void @shift2a(<4 x i32> %val, <4 x i32>* %dst) nounwind {
17entry:
18 %ashr = ashr <4 x i32> %val, < i32 5, i32 5, i32 5, i32 5 >
19 store <4 x i32> %ashr, <4 x i32>* %dst
20 ret void
21}
22
23define void @shift2b(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind {
24entry:
25 %0 = insertelement <4 x i32> undef, i32 %amt, i32 0
26 %1 = insertelement <4 x i32> %0, i32 %amt, i32 1
27 %2 = insertelement <4 x i32> %1, i32 %amt, i32 2
28 %3 = insertelement <4 x i32> %2, i32 %amt, i32 3
29 %ashr = ashr <4 x i32> %val, %3
30 store <4 x i32> %ashr, <4 x i32>* %dst
31 ret void
32}
33
34define void @shift3a(<8 x i16> %val, <8 x i16>* %dst) nounwind {
35entry:
36 %ashr = ashr <8 x i16> %val, < i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5 >
37 store <8 x i16> %ashr, <8 x i16>* %dst
38 ret void
39}
40
41define void @shift3b(<8 x i16> %val, <8 x i16>* %dst, i16 %amt) nounwind {
42entry:
43 %0 = insertelement <8 x i16> undef, i16 %amt, i32 0
44 %1 = insertelement <8 x i16> %0, i16 %amt, i32 1
45 %2 = insertelement <8 x i16> %0, i16 %amt, i32 2
46 %3 = insertelement <8 x i16> %0, i16 %amt, i32 3
47 %4 = insertelement <8 x i16> %0, i16 %amt, i32 4
48 %5 = insertelement <8 x i16> %0, i16 %amt, i32 5
49 %6 = insertelement <8 x i16> %0, i16 %amt, i32 6
50 %7 = insertelement <8 x i16> %0, i16 %amt, i32 7
51 %ashr = ashr <8 x i16> %val, %7
52 store <8 x i16> %ashr, <8 x i16>* %dst
53 ret void
Dan Gohman2d65d352009-08-25 15:38:29 +000054}