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 # REQUIRES: asserts 3 --- | 4 define void @reserved_reg_liveness() { ret void } 5 ... 6 --- 7 # CHECK-LABEL: ********** INTERVALS ********** 8 # W29 is reserved, so we should only see dead defs 9 # CHECK-DAG: W29 [32r,32d:{{[0-9]+}})[64r,64d:{{[0-9]+}}) 10 # For normal registers like x28 we should see the full intervals 11 # CHECK-DAG: W28 [0B,16r:{{[0-9]+}})[32r,48r:{{[0-9]+}})[48r,48d:{{[0-9]+}}) 12 # CHECK: # End machine code for function reserved_reg_liveness. 13 name: reserved_reg_liveness 14 tracksRegLiveness: true 15 body: | 16 bb.0: 17 liveins: $x28 18 %6 : xseqpairsclass = COPY $x28_fp 19 $x28_fp = COPY %6 20 $x28 = COPY $x28 21 $fp = COPY $fp 22 ... 23
