| # NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| # RUN: llc %s -mtriple=m68k -start-after=prologepilog -O0 -filetype=asm -o - \ |
| # RUN: | FileCheck %s |
| |
| #------------------------------------------------------------------------------ |
| # CollapseMOVEM pass finds sequences of MOVEM instructions and collapse them |
| # into a single instruciton with merged masks. This only works with stack data |
| #------------------------------------------------------------------------------ |
| |
| --- # CollapseMOVEM_RM |
| # |
| # CHECK-LABEL: CollapseMOVEM_RM |
| # CHECK: movem.l (0,%sp), %d0-%d2/%d7/%a1-%a3/%a5 |
| name: CollapseMOVEM_RM |
| body: | |
| bb.0: |
| MOVM32mp 1, 0, $sp |
| MOVM32mp 2, 4, $sp |
| MOVM32mp 4, 8, $sp |
| MOVM32mp 128, 12, $sp |
| MOVM32mp 512, 16, $sp |
| MOVM32mp 1024, 20, $sp |
| MOVM32mp 2048, 24, $sp |
| MOVM32mp 8192, 28, $sp |
| |
| ... |
| # |
| # CHECK-LABEL: CollapseMOVEM_RM_Reversed |
| # CHECK: movem.l (0,%sp), %d0-%d2/%d7/%a1-%a3/%a5 |
| name: CollapseMOVEM_RM_Reversed |
| body: | |
| bb.0: |
| MOVM32mp 8192, 28, $sp |
| MOVM32mp 2048, 24, $sp |
| MOVM32mp 1024, 20, $sp |
| MOVM32mp 512, 16, $sp |
| MOVM32mp 128, 12, $sp |
| MOVM32mp 4, 8, $sp |
| MOVM32mp 2, 4, $sp |
| MOVM32mp 1, 0, $sp |
| |
| ... |
| # This async reg/mem order is impossible to store with MOVEM |
| # CHECK-LABEL: CollapseMOVEM_RM_ReversedStoreOrder |
| # CHECK: movem.l (0,%sp), %a5 |
| # CHECK: movem.l (4,%sp), %a3 |
| # CHECK: movem.l (8,%sp), %a2 |
| # CHECK: movem.l (12,%sp), %a1 |
| # CHECK: movem.l (16,%sp), %d7 |
| # CHECK: movem.l (20,%sp), %d2 |
| # CHECK: movem.l (24,%sp), %d1 |
| # CHECK: movem.l (28,%sp), %d0 |
| name: CollapseMOVEM_RM_ReversedStoreOrder |
| body: | |
| bb.0: |
| MOVM32mp 8192, 0, $sp |
| MOVM32mp 2048, 4, $sp |
| MOVM32mp 1024, 8, $sp |
| MOVM32mp 512, 12, $sp |
| MOVM32mp 128, 16, $sp |
| MOVM32mp 4, 20, $sp |
| MOVM32mp 2, 24, $sp |
| MOVM32mp 1, 28, $sp |
| |
| ... |
| --- # CollapseMOVEM_MR |
| # |
| # CHECK-LABEL: CollapseMOVEM_MR |
| # CHECK: movem.l %d0-%d2/%d7/%a1-%a3/%a5, (0,%sp) |
| name: CollapseMOVEM_MR |
| body: | |
| bb.0: |
| MOVM32pm 0, $sp, 1 |
| MOVM32pm 4, $sp, 2 |
| MOVM32pm 8, $sp, 4 |
| MOVM32pm 12, $sp, 128 |
| MOVM32pm 16, $sp, 512 |
| MOVM32pm 20, $sp, 1024 |
| MOVM32pm 24, $sp, 2048 |
| MOVM32pm 28, $sp, 8192 |
| |
| ... |
| --- # CollapseMOVEM_Mixed |
| # |
| # CHECK-LABEL: CollapseMOVEM_Mixed |
| # CHECK: movem.l %d0-%d1, (0,%sp) |
| # CHECK: movem.l (8,%sp), %d2/%d7 |
| # CHECK: movem.l %a1-%a2, (16,%sp) |
| # CHECK: movem.l (24,%sp), %a3 |
| # CHECK: movem.l %a5, (28,%sp) |
| name: CollapseMOVEM_Mixed |
| body: | |
| bb.0: |
| MOVM32pm 0, $sp, 1 |
| MOVM32pm 4, $sp, 2 |
| MOVM32mp 4, 8, $sp |
| MOVM32mp 128, 12, $sp |
| MOVM32pm 16, $sp, 512 |
| MOVM32pm 20, $sp, 1024 |
| MOVM32mp 2048, 24, $sp |
| MOVM32pm 28, $sp, 8192 |
| |
| ... |
| --- # CollapseMOVEM_Zero |
| # |
| # CHECK-LABEL: CollapseMOVEM_Zero |
| # CHECK: movem.l %d0-%d4, (-8,%sp) |
| name: CollapseMOVEM_Zero |
| body: | |
| bb.0: |
| MOVM32pm -8, $sp, 1 |
| MOVM32pm -4, $sp, 2 |
| MOVM32pm 0, $sp, 4 |
| MOVM32pm 4, $sp, 8 |
| MOVM32pm 8, $sp, 16 |
| |
| ... |
| # |
| # CHECK-LABEL: CollapseMOVEM_Zero_Mixed |
| # CHECK: movem.l %d3, (4,%sp) |
| # CHECK: movem.l %d0-%d2, (-8,%sp) |
| # CHECK: movem.l %d4, (8,%sp) |
| name: CollapseMOVEM_Zero_Mixed |
| body: | |
| bb.0: |
| MOVM32pm 4, $sp, 8 |
| MOVM32pm -4, $sp, 2 |
| MOVM32pm -8, $sp, 1 |
| MOVM32pm 0, $sp, 4 |
| MOVM32pm 8, $sp, 16 |
| |
| ... |
| --- # CollapseMOVEM_Zero_Reversed |
| # |
| # CHECK-LABEL: CollapseMOVEM_Zero_Reversed |
| # CHECK: movem.l %d0-%d4, (-8,%sp) |
| name: CollapseMOVEM_Zero_Reversed |
| body: | |
| bb.0: |
| MOVM32pm 8, $sp, 16 |
| MOVM32pm 4, $sp, 8 |
| MOVM32pm 0, $sp, 4 |
| MOVM32pm -4, $sp, 2 |
| MOVM32pm -8, $sp, 1 |
| |
| ... |
| # |
| # CHECK-LABEL: CollapseMOVEM_Zero_ReversedStoreOrder |
| # CHECK: movem.l %d0, (8,%sp) |
| # CHECK: movem.l %d1, (4,%sp) |
| # CHECK: movem.l %d2, (0,%sp) |
| # CHECK: movem.l %d3, (-4,%sp) |
| # CHECK: movem.l %d4, (-8,%sp) |
| name: CollapseMOVEM_Zero_ReversedStoreOrder |
| body: | |
| bb.0: |
| MOVM32pm 8, $sp, 1 |
| MOVM32pm 4, $sp, 2 |
| MOVM32pm 0, $sp, 4 |
| MOVM32pm -4, $sp, 8 |
| MOVM32pm -8, $sp, 16 |
| |
| ... |