| # RUN: llc -mtriple=hexagon -O3 -run-pass hexagon-loop-align -o - %s\ |
| # RUN: -debug-only=hexagon-loop-align -verify-machineinstrs 2>&1 | FileCheck %s |
| # REQUIRES: asserts |
| |
| # Test that we only count til endloop instruction and we align this |
| # loop to 32. |
| # CHECK: Loop Align Pass: |
| # CHECK: Instruction Count : 16 |
| # CHECK: bb.5 (align 32) |
| --- |
| name: fred |
| tracksRegLiveness: true |
| |
| body: | |
| bb.0: |
| successors: %bb.1(0x50000000), %bb.8(0x30000000) |
| liveins: $r0, $r1, $r2, $r3, $r4, $r5 |
| |
| renamable $p0 = C2_cmpgti renamable $r2, 0 |
| J2_jumpf killed renamable $p0, %bb.8, implicit-def dead $pc |
| J2_jump %bb.1, implicit-def dead $pc |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1, $r2, $r3, $r4, $r5 |
| |
| renamable $r7 = A2_addi killed renamable $r2, 1 |
| renamable $r8 = S2_asr_i_r renamable $r1, 31 |
| renamable $p0 = C2_cmpgti renamable $r1, 63 |
| renamable $r2 = S2_asr_i_r renamable $r3, 2 |
| renamable $r6 = S2_asr_i_r renamable $r3, 1 |
| renamable $r9 = S2_lsr_i_r killed renamable $r7, 1 |
| renamable $r1 = S2_lsr_i_r_acc killed renamable $r1, killed renamable $r8, 26 |
| renamable $r7 = A2_tfrsi 0 |
| renamable $r1 = S2_asr_i_r killed renamable $r1, 6 |
| J2_loop1r %bb.2, killed renamable $r9, implicit-def $lc1, implicit-def $sa1 |
| renamable $r8 = nsw A2_add renamable $r6, renamable $r2 |
| |
| bb.2: |
| successors: %bb.3(0x40000000), %bb.7(0x40000000) |
| liveins: $p0, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8 |
| |
| J2_jumpf renamable $p0, %bb.7, implicit-def dead $pc |
| J2_jump %bb.3, implicit-def dead $pc |
| |
| bb.3: |
| successors: %bb.4(0x80000000) |
| liveins: $p0, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8 |
| |
| renamable $r13 = exact S2_asr_i_r renamable $r7, 1 |
| renamable $r12 = COPY renamable $r4 |
| renamable $r9 = COPY renamable $r4 |
| renamable $r14 = nsw A2_addi renamable $r7, 1 |
| renamable $r15 = nsw M2_mpyi killed renamable $r13, renamable $r3 |
| renamable $r9 = M2_maci killed renamable $r9, killed renamable $r14, renamable $r5 |
| renamable $r13 = A2_add renamable $r8, renamable $r15 |
| renamable $r28 = A2_add renamable $r15, renamable $r2 |
| renamable $r10 = A2_add renamable $r15, renamable $r6 |
| renamable $r12 = M2_maci killed renamable $r12, renamable $r7, renamable $r5 |
| renamable $r13 = S2_addasl_rrri renamable $r0, killed renamable $r13, 1 |
| renamable $r14 = S2_addasl_rrri renamable $r0, killed renamable $r15, 1 |
| renamable $r15 = S2_addasl_rrri renamable $r0, killed renamable $r28, 1 |
| renamable $r28 = S2_addasl_rrri renamable $r0, killed renamable $r10, 1 |
| |
| bb.4: |
| successors: %bb.5(0x40000000), %bb.6(0x40000000) |
| liveins: $p0, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r12, $r13, $r14, $r15, $r28 |
| |
| renamable $v0, renamable $r14 = V6_vL32b_pi killed renamable $r14, 64 |
| renamable $p1 = C2_cmpgtui renamable $r1, 1 |
| renamable $r10 = A2_addi renamable $r1, -1 |
| renamable $v2, renamable $r28 = V6_vL32b_pi killed renamable $r28, 64 |
| renamable $v1 = V6_vaddh renamable $v0, renamable $v2 |
| renamable $v3, renamable $r15 = V6_vL32b_pi killed renamable $r15, 64 |
| renamable $v0 = V6_vsubh killed renamable $v0, killed renamable $v2 |
| J2_loop0r %bb.5, killed renamable $r10, implicit-def $lc0, implicit-def $sa0, implicit-def $usr |
| renamable $v4, renamable $r13 = V6_vL32b_pi killed renamable $r13, 64 |
| renamable $v2 = V6_vaddh renamable $v3, renamable $v4 |
| J2_jumpf killed renamable $p1, %bb.6, implicit-def $pc |
| J2_jump %bb.5, implicit-def $pc |
| |
| bb.5: |
| successors: %bb.5(0x7c000000), %bb.6(0x04000000) |
| liveins: $p0, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r12, $r13, $r14, $r15, $r28, $v0, $v1, $v2, $v3, $v4 |
| |
| renamable $v3 = V6_vsubh killed renamable $v3, killed renamable $v4 |
| renamable $v4, renamable $r14 = V6_vL32b_pi killed renamable $r14, 64 |
| renamable $v5 = V6_vnavgh renamable $v1, renamable $v2 |
| renamable $v1 = V6_vavgh killed renamable $v1, killed renamable $v2 |
| renamable $v2, renamable $r28 = V6_vL32b_pi killed renamable $r28, 64 |
| renamable $v1 = V6_vsathub killed renamable $v5, killed renamable $v1 |
| renamable $v5 = V6_vnavgh renamable $v0, renamable $v3 |
| renamable $v6 = V6_vavgh killed renamable $v0, killed renamable $v3 |
| renamable $r12 = V6_vS32b_pi killed renamable $r12, 64, killed renamable $v1 |
| renamable $v1 = V6_vaddh renamable $v4, renamable $v2 |
| renamable $v3, renamable $r15 = V6_vL32b_pi killed renamable $r15, 64 |
| renamable $v0 = V6_vsubh killed renamable $v4, killed renamable $v2 |
| renamable $v4, renamable $r13 = V6_vL32b_pi killed renamable $r13, 64 |
| renamable $v2 = V6_vaddh renamable $v3, renamable $v4 |
| renamable $v5 = V6_vsathub killed renamable $v5, killed renamable $v6 |
| renamable $r9 = V6_vS32b_pi killed renamable $r9, 64, killed renamable $v5 |
| ENDLOOP0 %bb.5, implicit-def $pc, implicit-def $lc0, implicit $sa0, implicit $lc0 |
| J2_jump %bb.6, implicit-def $pc |
| |
| bb.6: |
| successors: %bb.7(0x80000000) |
| liveins: $p0, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r12, $v0, $v1, $v2, $v3, $v4 |
| |
| renamable $v3 = V6_vsubh killed renamable $v3, killed renamable $v4 |
| renamable $v4 = V6_vavgh renamable $v1, renamable $v2 |
| renamable $v1 = V6_vnavgh killed renamable $v1, killed renamable $v2 |
| renamable $v2 = V6_vavgh renamable $v0, renamable $v3 |
| renamable $v0 = V6_vnavgh killed renamable $v0, killed renamable $v3 |
| renamable $v1 = V6_vsathub killed renamable $v1, killed renamable $v4 |
| dead renamable $r12 = V6_vS32b_pi killed renamable $r12, 64, killed renamable $v1 |
| renamable $v0 = V6_vsathub killed renamable $v0, killed renamable $v2 |
| dead renamable $r9 = V6_vS32b_pi killed renamable $r9, 64, killed renamable $v0 |
| J2_jump %bb.7, implicit-def $pc |
| |
| bb.7: |
| successors: %bb.2(0x7c000000), %bb.8(0x04000000) |
| liveins: $p0, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8 |
| |
| renamable $r7 = nsw A2_addi killed renamable $r7, 2 |
| ENDLOOP1 %bb.2, implicit-def $pc, implicit-def $lc1, implicit $sa1, implicit $lc1 |
| J2_jump %bb.8, implicit-def dead $pc |
| |
| bb.8: |
| PS_jmpret $r31, implicit-def dead $pc |
| |
| ... |
