| # RUN: llc -mtriple=aarch64-none-linux-gnu -mcpu=cortex-a57 -enable-unsafe-fp-math \ |
| # RUN: -run-pass machine-combiner -machine-combiner-inc-threshold=0 \ |
| # RUN: -machine-combiner-verify-pattern-order=true -verify-machineinstrs -o - %s | FileCheck %s |
| --- |
| # Test incremental depth updates succeed when triggered after the removal of |
| # the first instruction in a basic block. |
| |
| # CHECK-LABEL: name: inc_update_iterator_test |
| name: inc_update_iterator_test |
| registers: |
| - { id: 0, class: fpr64 } |
| - { id: 1, class: gpr32 } |
| - { id: 2, class: gpr32 } |
| - { id: 3, class: gpr32 } |
| - { id: 4, class: gpr32 } |
| - { id: 5, class: gpr32 } |
| - { id: 6, class: gpr32 } |
| - { id: 7, class: fpr64 } |
| - { id: 8, class: fpr64 } |
| - { id: 9, class: fpr64 } |
| body: | |
| bb.0: |
| successors: %bb.1, %bb.2 |
| |
| %3 = COPY $w2 |
| %2 = COPY $w1 |
| %1 = COPY $w0 |
| %0 = COPY $d0 |
| %4 = SUBSWrr %1, %2, implicit-def $nzcv |
| Bcc 13, %bb.2, implicit $nzcv |
| B %bb.1 |
| |
| bb.1: |
| ; CHECK: MADDWrrr %1, %2, %3 |
| %5 = MADDWrrr %1, %2, $wzr |
| %6 = ADDWrr %3, killed %5 |
| %7 = SCVTFUWDri killed %6 |
| ; CHECK: FMADDDrrr %7, %7, %0 |
| %8 = FMULDrr %7, %7 |
| %9 = FADDDrr %0, killed %8 |
| $d0 = COPY %9 |
| RET_ReallyLR implicit $d0 |
| |
| bb.2: |
| $d0 = COPY %0 |
| RET_ReallyLR implicit $d0 |
| |
| ... |