1 # RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios -run-pass=liveintervals -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s
4 define void @reserved_reg_liveness() { ret void }
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
18 %6 : xseqpairsclass = COPY $x28_fp