| # REQUIRES: asserts |
| # RUN: llc --mtriple=hexagon %s -run-pass=pipeliner -debug-only=pipeliner \ |
| # RUN: -window-sched=force -filetype=null -verify-machineinstrs 2>&1 \ |
| # RUN: | FileCheck %s |
| |
| # CHECK: Window scheduling is not needed! |
| # CHECK-LABEL: body: | |
| # CHECK: bb.0: |
| # CHECK: [[REG:%[0-9]+]]:intregs = A2_tfrsi 0 |
| # CHECK: bb.2: |
| # CHECK: {{%[0-9]+}}:intregs = PHI {{%[0-9]+}}, %bb.0, [[REG]], %bb.2 |
| |
| --- |
| name: poll_for_response |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1 |
| |
| %0:intregs = COPY $r1 |
| %1:intregs = COPY $r0 |
| %2:intregs = A2_tfrsi 0 |
| J2_loop0i %bb.2, 2, implicit-def $lc0, implicit-def $sa0, implicit-def $usr |
| J2_jump %bb.2, implicit-def dead $pc |
| |
| bb.1: |
| PS_jmpret $r31, implicit-def dead $pc |
| |
| bb.2: |
| successors: %bb.1(0x04000000), %bb.2(0x7c000000) |
| |
| %3:intregs = PHI %1, %bb.0, %2, %bb.2 |
| %4:intregs = PHI %2, %bb.0, %5, %bb.2 |
| %6:intregs = S2_lsr_i_r %3, 1 |
| S2_storerb_io %0, 0, killed %6 |
| S4_storerb_rr %0, %4, 0, %2 |
| %5:intregs = A2_tfrsi 1 |
| ENDLOOP0 %bb.2, implicit-def $pc, implicit-def $lc0, implicit $sa0, implicit $lc0 |
| J2_jump %bb.1, implicit-def $pc |
| |
| ... |
