aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/R600/bfi_int.ll
blob: c9015a6e78aea9f74ed09a478af6b5f987f45f24 (plain)
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
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600-CHECK %s
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck --check-prefix=SI-CHECK %s

; BFI_INT Definition pattern from ISA docs
; (y & x) | (z & ~x)
;
; R600-CHECK: @bfi_def
; R600-CHECK: BFI_INT
; SI-CHECK:   @bfi_def
; SI-CHECK:   V_BFI_B32
define void @bfi_def(i32 addrspace(1)* %out, i32 %x, i32 %y, i32 %z) {
entry:
  %0 = xor i32 %x, -1
  %1 = and i32 %z, %0
  %2 = and i32 %y, %x
  %3 = or i32 %1, %2
  store i32 %3, i32 addrspace(1)* %out
  ret void
}

; SHA-256 Ch function
; z ^ (x & (y ^ z))
; R600-CHECK: @bfi_sha256_ch
; R600-CHECK: BFI_INT
; SI-CHECK:   @bfi_sha256_ch
; SI-CHECK:   V_BFI_B32
define void @bfi_sha256_ch(i32 addrspace(1)* %out, i32 %x, i32 %y, i32 %z) {
entry:
  %0 = xor i32 %y, %z
  %1 = and i32 %x, %0
  %2 = xor i32 %z, %1
  store i32 %2, i32 addrspace(1)* %out
  ret void
}