1 # RUN: llc -mtriple=aarch64-none-linux-gnu -mcpu=cortex-a57 -enable-unsafe-fp-math \ 2 # RUN: -run-pass machine-combiner -machine-combiner-inc-threshold=0 \ 3 # RUN: -machine-combiner-verify-pattern-order=true -verify-machineinstrs -o - %s | FileCheck %s 4 --- 5 # Test incremental depth updates succeed when triggered after the removal of 6 # the first instruction in a basic block. 7 8 # CHECK-LABEL: name: inc_update_iterator_test 9 name: inc_update_iterator_test 10 registers: 11 - { id: 0, class: fpr64 } 12 - { id: 1, class: gpr32 } 13 - { id: 2, class: gpr32 } 14 - { id: 3, class: gpr32 } 15 - { id: 4, class: gpr32 } 16 - { id: 5, class: gpr32 } 17 - { id: 6, class: gpr32 } 18 - { id: 7, class: fpr64 } 19 - { id: 8, class: fpr64 } 20 - { id: 9, class: fpr64 } 21 body: | 22 bb.0: 23 successors: %bb.1, %bb.2 24 25 %3 = COPY $w2 26 %2 = COPY $w1 27 %1 = COPY $w0 28 %0 = COPY $d0 29 %4 = SUBSWrr %1, %2, implicit-def $nzcv 30 Bcc 13, %bb.2, implicit $nzcv 31 B %bb.1 32 33 bb.1: 34 ; CHECK: MADDWrrr %1, %2, %3 35 %5 = MADDWrrr %1, %2, $wzr 36 %6 = ADDWrr %3, killed %5 37 %7 = SCVTFUWDri killed %6 38 ; CHECK: FMADDDrrr %7, %7, %0 39 %8 = FMULDrr %7, %7 40 %9 = FADDDrr %0, killed %8 41 $d0 = COPY %9 42 RET_ReallyLR implicit $d0 43 44 bb.2: 45 $d0 = COPY %0 46 RET_ReallyLR implicit $d0 47 48 ... 49
