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1; RUN: llc -mtriple=mipsel -filetype=obj --disable-machine-licm -mattr=micromips < %s -o - \2; RUN: | llvm-objdump --no-print-imm-hex --no-show-raw-insn -d - | FileCheck %s --check-prefix=MICROMIPS3 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 mips32r26; instruction instead of microMIPS instruction, and since many mips32r2 and microMIPS7; instructions have identical assembly formats, invalid instruction cannot be detected.8 9@y = common global i8 0, align 110 11define signext i8 @AtomicLoadAdd8(i8 signext %incr) nounwind {12entry:13 %0 = atomicrmw add ptr @y, i8 %incr monotonic14 ret i8 %015 16; MICROMIPS: ll ${{[0-9]+}}, 0(${{[0-9]+}})17; MICROMIPS: sc ${{[0-9]+}}, 0(${{[0-9]+}})18}19 20define signext i8 @AtomicCmpSwap8(i8 signext %oldval, i8 signext %newval) nounwind {21entry:22 %pair0 = cmpxchg ptr @y, i8 %oldval, i8 %newval monotonic monotonic23 %0 = extractvalue { i8, i1 } %pair0, 024 ret i8 %025 26; MICROMIPS: ll ${{[0-9]+}}, 0(${{[0-9]+}})27; MICROMIPS: sc ${{[0-9]+}}, 0(${{[0-9]+}})28}29