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1# RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios -run-pass=liveintervals -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s2# RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios --passes='print<live-intervals>' -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s3# REQUIRES: asserts4--- |5 define void @reserved_reg_liveness() { ret void }6...7---8# CHECK-LABEL: ********** INTERVALS **********9# W29 is reserved, so we should only see dead defs10# CHECK-DAG: W29 [32r,32d:{{[0-9]+}})[64r,64d:{{[0-9]+}})11# For normal registers like x28 we should see the full intervals12# CHECK-DAG: W28 [0B,16r:{{[0-9]+}})[32r,48r:{{[0-9]+}})[48r,48d:{{[0-9]+}})13# CHECK: # End machine code for function reserved_reg_liveness.14name: reserved_reg_liveness15tracksRegLiveness: true16body: |17 bb.0:18 liveins: $x2819 %6 : xseqpairsclass = COPY $x28_fp20 $x28_fp = COPY %621 $x28 = COPY $x2822 $fp = COPY $fp23...24