Petar Jovanovic | 3a908a0b | 2014-08-10 22:49:54 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefix=MIPS32 |
| 2 | ; RUN: llc < %s -march=mips64el -mcpu=mips64r2 | FileCheck %s -check-prefix=MIPS64 |
| 3 | |
| 4 | declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1) |
| 5 | |
| 6 | define <2 x i32> @cttzv2i32(<2 x i32> %x) { |
| 7 | entry: |
| 8 | ; MIPS32-DAG: addiu $[[R0:[0-9]+]], $4, -1 |
| 9 | ; MIPS32-DAG: not $[[R1:[0-9]+]], $4 |
| 10 | ; MIPS32-DAG: and $[[R2:[0-9]+]], $[[R1]], $[[R0]] |
| 11 | ; MIPS32-DAG: clz $[[R3:[0-9]+]], $[[R2]] |
| 12 | ; MIPS32-DAG: addiu $[[R4:[0-9]+]], $zero, 32 |
| 13 | ; MIPS32-DAG: subu $2, $[[R4]], $[[R3]] |
| 14 | ; MIPS32-DAG: addiu $[[R5:[0-9]+]], $5, -1 |
| 15 | ; MIPS32-DAG: not $[[R6:[0-9]+]], $5 |
| 16 | ; MIPS32-DAG: and $[[R7:[0-9]+]], $[[R6]], $[[R5]] |
| 17 | ; MIPS32-DAG: clz $[[R8:[0-9]+]], $[[R7]] |
| 18 | ; MIPS32-DAG: jr $ra |
| 19 | ; MIPS32-DAG: subu $3, $[[R4]], $[[R8]] |
| 20 | |
Daniel Sanders | c43cda8 | 2014-11-07 16:54:21 +0000 | [diff] [blame] | 21 | ; MIPS64-DAG: sll $[[A0:[0-9]+]], $4, 0 |
| 22 | ; MIPS64-DAG: addiu $[[R0:[0-9]+]], $[[A0]], -1 |
| 23 | ; MIPS64-DAG: not $[[R1:[0-9]+]], $[[A0]] |
Petar Jovanovic | 3a908a0b | 2014-08-10 22:49:54 +0000 | [diff] [blame] | 24 | ; MIPS64-DAG: and $[[R2:[0-9]+]], $[[R1]], $[[R0]] |
| 25 | ; MIPS64-DAG: clz $[[R3:[0-9]+]], $[[R2]] |
| 26 | ; MIPS64-DAG: addiu $[[R4:[0-9]+]], $zero, 32 |
Simon Dardis | 212cccb | 2017-06-09 14:37:08 +0000 | [diff] [blame] | 27 | ; MIPS64-DAG: subu $[[R5:[0-9]+]], $[[R4]], $[[R3]] |
| 28 | ; MIPS64-DAG: dsrl $[[R6:[0-9]+]], $4, 32 |
| 29 | ; MIPS64-DAG: sll $[[R7:[0-9]+]], $[[R6]], 0 |
| 30 | ; MIPS64-DAG: dext $[[R8:[0-9]+]], $[[R5]], 0, 32 |
| 31 | ; MIPS64-DAG: addiu $[[R9:[0-9]+]], $[[R7]], -1 |
| 32 | ; MIPS64-DAG: not $[[R10:[0-9]+]], $[[R7]] |
| 33 | ; MIPS64-DAG: and $[[R11:[0-9]+]], $[[R10]], $[[R9]] |
| 34 | ; MIPS64-DAG: clz $[[R12:[0-9]+]], $[[R11]] |
| 35 | ; MIPS64-DAG: subu $[[R13:[0-9]+]], $[[R4]], $[[R12]] |
| 36 | ; MIPS64-DAG: dsll $[[R14:[0-9]+]], $[[R13]], 32 |
| 37 | ; MIPS64-DAG: or $2, $[[R8]], $[[R14]] |
Petar Jovanovic | 3a908a0b | 2014-08-10 22:49:54 +0000 | [diff] [blame] | 38 | |
| 39 | %ret = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 true) |
| 40 | ret <2 x i32> %ret |
| 41 | } |
| 42 | |