extract-subvector.ll
1.14 KB
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
; RUN: llc -march=amdgcn -mtriple=amdgcn-- -verify-machineinstrs -o - %s | FileCheck %s
; CHECK-LABEL: foo
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: buffer_load_ushort
; CHECK: v_bfe_i32
; CHECK: v_bfe_i32
define <2 x i16> @foo(<8 x i16> addrspace(1) * %p0, <8 x i16> addrspace(1) * %p1) {
br i1 undef, label %T, label %F
T:
%t = load volatile <8 x i16>, <8 x i16> addrspace(1) * %p0
br label %exit
F:
%f = load volatile <8 x i16>, <8 x i16> addrspace(1) * %p1
br label %exit
exit:
%m = phi <8 x i16> [ %t, %T ], [ %f, %F ]
%v2 = shufflevector <8 x i16> %m, <8 x i16> undef, <2 x i32> <i32 0, i32 1>
%b2 = icmp sgt <2 x i16> %v2, <i16 -1, i16 -1>
%r2 = select <2 x i1> %b2, <2 x i16> <i16 -32768, i16 -32768>, <2 x i16> <i16 -1, i16 -1>
ret <2 x i16> %r2
}