1 # RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 \ 2 # RUN: 2>%t1 | FileCheck %s 3 # RUN: FileCheck -check-prefix=WARNINGS %s < %t1 4 5 # Check that the assembler can handle the documented syntax for ".set at" and 6 # will set the correct value for $at. 7 # Note that writing $at is always the same as writing $1. 8 9 .text 10 foo: 11 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 12 # WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat" 13 .set at=$1 14 jr $at 15 16 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 17 # WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat" 18 .set at=$1 19 jr $1 20 21 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 22 # WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat" 23 .set at=$at 24 jr $at 25 26 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 27 # WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat" 28 .set at=$at 29 jr $1 30 31 # WARNINGS-NOT: warning: used $at (currently ${{[0-9]+}}) without ".set noat" 32 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 33 .set at=$2 34 jr $at 35 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 36 .set at=$3 37 jr $at 38 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 39 .set noat 40 jr $at 41 # CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00] 42 .set at=$0 43 jr $at 44 45 # CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02] 46 # WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $16) without ".set noat" 47 .set at=$16 48 jr $s0 49 50 # CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02] 51 # WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $16) without ".set noat" 52 .set at=$16 53 jr $16 54
