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# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 \
# RUN: 2>%t1 | FileCheck %s
# RUN: FileCheck -check-prefix=WARNINGS %s < %t1
# Check that the assembler can handle the documented syntax
# for ".set at" and set the correct value. The correct value for $at is always
# $1 when written by the user.
.text
foo:
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
# WARNINGS: :[[@LINE+2]]:11: warning: Used $at without ".set noat"
.set at=$1
jr $at
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
# WARNINGS: :[[@LINE+2]]:11: warning: Used $at without ".set noat"
.set at=$1
jr $1
# WARNINGS-NOT: warning: Used $at without ".set noat"
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
.set at=$2
jr $at
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
.set at=$3
jr $at
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
.set noat
jr $at
# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
.set at=$0
jr $at
# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
# WARNINGS: :[[@LINE+2]]:11: warning: Used $16 with ".set at=$16"
.set at=$16
jr $s0
# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
# WARNINGS: :[[@LINE+2]]:11: warning: Used $16 with ".set at=$16"
.set at=$16
jr $16
# WARNINGS-NOT: warning
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