| # RUN: llc -march=hexagon -run-pass simple-register-coalescing -verify-coalescing %s -o - | FileCheck %s |
| # |
| # Check that this doesn't crash. |
| # CHECK: ENDLOOP |
| |
| --- |
| name: foo |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $r0, $r1, $r2, $v0, $v1, $v2, $v3 |
| |
| %0:hvxwr = COPY $v0 |
| %1:intregs = COPY $r0 |
| %2:predregs = C2_cmpgtui %1, 2 |
| %3:intregs = COPY $r1 |
| %4:intregs = COPY $r2 |
| %5:hvxvr = COPY $v1 |
| %6:hvxwr = V6_vcombine $v1, $v0 |
| %7:hvxqr = IMPLICIT_DEF |
| J2_loop0r %bb.1, %3, implicit-def $lc0, implicit-def $sa0, implicit-def $usr |
| J2_jumpf %2, %bb.2, implicit-def $pc |
| J2_jump %bb.1, implicit-def $pc |
| |
| bb.1: |
| successors: %bb.2(0x04000000), %bb.1(0x7c000000) |
| |
| %8:hvxwr = COPY %0 |
| %9:hvxvr = V6_vL32b_ai %4, 0 |
| %10:hvxvr = V6_vL32b_ai %4, 128 |
| %5:hvxvr = V6_vaddwq %7, %5, %9 |
| %11:hvxqr = V6_vgtuw %10, %0.vsub_lo |
| %12:hvxvr = V6_vL32b_ai %4, 256 |
| %13:hvxvr = V6_vL32b_ai %4, 384 |
| %5:hvxvr = V6_vaddwq %11, %5, %13 |
| %7:hvxqr = V6_vgtuw %6.vsub_hi, %13 |
| %0:hvxwr = COPY %8 |
| %0:hvxwr = V6_vmpyhv_acc %0, %12, %12 |
| %6:hvxwr = COPY %8 |
| ENDLOOP0 %bb.1, implicit-def $pc, implicit-def $lc0, implicit $sa0, implicit $lc0 |
| J2_jump %bb.2, implicit-def $pc |
| |
| bb.2: |
| ... |
