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