1 ; RUN: llc -march=mipsel -filetype=obj --disable-machine-licm -mattr=micromips < %s -o - \
2 ; RUN: | llvm-objdump -no-show-raw-insn -d - | FileCheck %s -check-prefix=MICROMIPS
4 ; Use llvm-objdump to check wheter the encodings of microMIPS atomic instructions are correct.
5 ; While emitting assembly files directly when in microMIPS mode, it is possible to emit a mips32r2
6 ; instruction instead of microMIPS instruction, and since many mips32r2 and microMIPS
7 ; instructions have identical assembly formats, invalid instruction cannot be detected.
9 @y = common global i8 0, align 1
11 define signext i8 @AtomicLoadAdd8(i8 signext %incr) nounwind {
13 %0 = atomicrmw add i8* @y, i8 %incr monotonic
16 ; MICROMIPS: ll ${{[0-9]+}}, 0(${{[0-9]+}})
17 ; MICROMIPS: sc ${{[0-9]+}}, 0(${{[0-9]+}})
20 define signext i8 @AtomicCmpSwap8(i8 signext %oldval, i8 signext %newval) nounwind {
22 %pair0 = cmpxchg i8* @y, i8 %oldval, i8 %newval monotonic monotonic
23 %0 = extractvalue { i8, i1 } %pair0, 0
26 ; MICROMIPS: ll ${{[0-9]+}}, 0(${{[0-9]+}})
27 ; MICROMIPS: sc ${{[0-9]+}}, 0(${{[0-9]+}})