blob: 9470441da90a2fb484350add42c71aee1f10923f [file] [log] [blame]
Petar Jovanovic3a908a0b2014-08-10 22:49:54 +00001; 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
4declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1)
5
6define <2 x i32> @cttzv2i32(<2 x i32> %x) {
7entry:
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
21; MIPS64-DAG: addiu $[[R0:[0-9]+]], $4, -1
22; MIPS64-DAG: not $[[R1:[0-9]+]], $4
23; MIPS64-DAG: and $[[R2:[0-9]+]], $[[R1]], $[[R0]]
24; MIPS64-DAG: clz $[[R3:[0-9]+]], $[[R2]]
25; MIPS64-DAG: addiu $[[R4:[0-9]+]], $zero, 32
26; MIPS64-DAG: subu $2, $[[R4]], $[[R3]]
27; MIPS64-DAG: addiu $[[R5:[0-9]+]], $5, -1
28; MIPS64-DAG: not $[[R6:[0-9]+]], $5
29; MIPS64-DAG: and $[[R7:[0-9]+]], $[[R6]], $[[R5]]
30; MIPS64-DAG: clz $[[R8:[0-9]+]], $[[R7]]
31; MIPS64-DAG: jr $ra
32; MIPS64-DAG: subu $3, $[[R4]], $[[R8]]
33
34 %ret = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 true)
35 ret <2 x i32> %ret
36}
37