| # RUN: llc -mtriple=hexagon -run-pass unreachable-mbb-elimination %s -o - | FileCheck %s |
| # RUN: llc -mtriple=hexagon -passes unreachable-mbb-elimination %s -o - | FileCheck %s |
| |
| --- |
| name: fred |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $d0 |
| successors: %bb.2 |
| |
| %0 : doubleregs = COPY $d0 |
| J2_jump %bb.2, implicit-def $pc |
| |
| bb.1: |
| successors: %bb.2 |
| A2_nop |
| |
| bb.2: |
| ; Make sure that the subregister from the PHI operand is preserved. |
| ; CHECK: %[[REG:[0-9]+]]:intregs = COPY %0.isub_lo |
| ; CHECK: $r0 = COPY %[[REG]] |
| %1 : intregs = PHI %0.isub_lo, %bb.0, %0.isub_hi, %bb.1 |
| $r0 = COPY %1 |
| ... |
