1# RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios -run-pass=liveintervals -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s 2# RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios --passes='print<live-intervals>' -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s 3# REQUIRES: asserts 4--- | 5 define void @reserved_reg_liveness() { ret void } 6... 7--- 8# CHECK-LABEL: ********** INTERVALS ********** 9# W29 is reserved, so we should only see dead defs 10# CHECK-DAG: W29 [32r,32d:{{[0-9]+}})[64r,64d:{{[0-9]+}}) 11# For normal registers like x28 we should see the full intervals 12# 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_liveness 15tracksRegLiveness: true 16body: | 17 bb.0: 18 liveins: $x28 19 %6 : xseqpairsclass = COPY $x28_fp 20 $x28_fp = COPY %6 21 $x28 = COPY $x28 22 $fp = COPY $fp 23... 24