forked from OSchip/llvm-project
59 lines
1.3 KiB
LLVM
59 lines
1.3 KiB
LLVM
|
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck --check-prefix=SM20 %s
|
||
|
|
; RUN: llc < %s -march=nvptx -mcpu=sm_35 | FileCheck --check-prefix=SM35 %s
|
||
|
|
|
||
|
|
|
||
|
|
declare i32 @llvm.nvvm.rotate.b32(i32, i32)
|
||
|
|
declare i64 @llvm.nvvm.rotate.b64(i64, i32)
|
||
|
|
declare i64 @llvm.nvvm.rotate.right.b64(i64, i32)
|
||
|
|
|
||
|
|
; SM20: rotate32
|
||
|
|
; SM35: rotate32
|
||
|
|
define i32 @rotate32(i32 %a, i32 %b) {
|
||
|
|
; SM20: shl.b32
|
||
|
|
; SM20: sub.s32
|
||
|
|
; SM20: shr.b32
|
||
|
|
; SM20: add.u32
|
||
|
|
; SM35: shf.l.wrap.b32
|
||
|
|
%val = tail call i32 @llvm.nvvm.rotate.b32(i32 %a, i32 %b)
|
||
|
|
ret i32 %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; SM20: rotate64
|
||
|
|
; SM35: rotate64
|
||
|
|
define i64 @rotate64(i64 %a, i32 %b) {
|
||
|
|
; SM20: shl.b64
|
||
|
|
; SM20: sub.u32
|
||
|
|
; SM20: shr.b64
|
||
|
|
; SM20: add.u64
|
||
|
|
; SM35: shf.l.wrap.b32
|
||
|
|
; SM35: shf.l.wrap.b32
|
||
|
|
%val = tail call i64 @llvm.nvvm.rotate.b64(i64 %a, i32 %b)
|
||
|
|
ret i64 %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; SM20: rotateright64
|
||
|
|
; SM35: rotateright64
|
||
|
|
define i64 @rotateright64(i64 %a, i32 %b) {
|
||
|
|
; SM20: shr.b64
|
||
|
|
; SM20: sub.u32
|
||
|
|
; SM20: shl.b64
|
||
|
|
; SM20: add.u64
|
||
|
|
; SM35: shf.r.wrap.b32
|
||
|
|
; SM35: shf.r.wrap.b32
|
||
|
|
%val = tail call i64 @llvm.nvvm.rotate.right.b64(i64 %a, i32 %b)
|
||
|
|
ret i64 %val
|
||
|
|
}
|
||
|
|
|
||
|
|
; SM20: rotl0
|
||
|
|
; SM35: rotl0
|
||
|
|
define i32 @rotl0(i32 %x) {
|
||
|
|
; SM20: shl.b32
|
||
|
|
; SM20: shr.b32
|
||
|
|
; SM20: add.u32
|
||
|
|
; SM35: shf.l.wrap.b32
|
||
|
|
%t0 = shl i32 %x, 8
|
||
|
|
%t1 = lshr i32 %x, 24
|
||
|
|
%t2 = or i32 %t0, %t1
|
||
|
|
ret i32 %t2
|
||
|
|
}
|