Files
archived-llvm/test/CodeGen/AMDGPU/bfi_int.ll
Matt Arsenault d019e8638a Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-24 22:02:15 +00:00

54 lines
1.5 KiB
LLVM

; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=R600 %s
; RUN: llc < %s -march=amdgcn -verify-machineinstrs | FileCheck --check-prefix=SI %s
; RUN: llc < %s -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs | FileCheck --check-prefix=SI %s
; BFI_INT Definition pattern from ISA docs
; (y & x) | (z & ~x)
;
; R600: {{^}}bfi_def:
; R600: BFI_INT
; SI: @bfi_def
; SI: 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: {{^}}bfi_sha256_ch:
; R600: BFI_INT
; SI: @bfi_sha256_ch
; SI: 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
}
; SHA-256 Ma function
; ((x & z) | (y & (x | z)))
; R600: {{^}}bfi_sha256_ma:
; R600: XOR_INT * [[DST:T[0-9]+\.[XYZW]]], KC0[2].Z, KC0[2].W
; R600: BFI_INT * {{T[0-9]+\.[XYZW]}}, {{[[DST]]|PV\.[XYZW]}}, KC0[3].X, KC0[2].W
; SI: v_xor_b32_e32 [[DST:v[0-9]+]], {{s[0-9]+, v[0-9]+}}
; SI: v_bfi_b32 {{v[0-9]+}}, [[DST]], {{s[0-9]+, v[0-9]+}}
define void @bfi_sha256_ma(i32 addrspace(1)* %out, i32 %x, i32 %y, i32 %z) {
entry:
%0 = and i32 %x, %z
%1 = or i32 %x, %z
%2 = and i32 %y, %1
%3 = or i32 %0, %2
store i32 %3, i32 addrspace(1)* %out
ret void
}