| # RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios -run-pass=liveintervals -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s | |
| # REQUIRES: asserts | |
| --- | | |
| define void @reserved_reg_liveness() { ret void } | |
| ... | |
| --- | |
| # CHECK-LABEL: ********** INTERVALS ********** | |
| # W29 is reserved, so we should only see dead defs | |
| # CHECK-DAG: W29 [32r,32d:{{[0-9]+}})[64r,64d:{{[0-9]+}}) | |
| # For normal registers like x28 we should see the full intervals | |
| # CHECK-DAG: W28 [0B,16r:{{[0-9]+}})[32r,48r:{{[0-9]+}})[48r,48d:{{[0-9]+}}) | |
| # CHECK: # End machine code for function reserved_reg_liveness. | |
| name: reserved_reg_liveness | |
| tracksRegLiveness: true | |
| body: | | |
| bb.0: | |
| liveins: $x28 | |
| %6 : xseqpairsclass = COPY $x28_fp | |
| $x28_fp = COPY %6 | |
| $x28 = COPY $x28 | |
| $fp = COPY $fp | |
| ... |