| # 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 |
| ... |
