1# RUN: llc -o /dev/null %s -mtriple=arm-eabi -mcpu=swift -run-pass machine-scheduler -enable-misched -verify-misched \ 2# RUN: -debug-only=machine-scheduler 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_SWIFT 3# RUN: llc -o /dev/null %s -mtriple=arm-eabi -mcpu=cortex-a9 -run-pass machine-scheduler -enable-misched -verify-misched \ 4# RUN: -debug-only=machine-scheduler 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_A9 5# RUN: llc -o /dev/null %s -mtriple=arm-eabi -mcpu=cortex-r52 -run-pass machine-scheduler -enable-misched -verify-misched \ 6# RUN: -debug-only=machine-scheduler 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_R52 7# REQUIRES: asserts 8--- | 9 ; ModuleID = 'foo.ll' 10 source_filename = "foo.ll" 11 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 12 target triple = "arm---eabi" 13 14 define i64 @foo(i16 signext %a, i16 signext %b) { 15 entry: 16 %d = mul nsw i16 %a, %a 17 %e = mul nsw i16 %b, %b 18 %f = add nuw nsw i16 %e, %d 19 %c = zext i16 %f to i32 20 %mul8 = mul nsw i32 %c, %c 21 %mul9 = mul nsw i32 %mul8, %mul8 22 %add10 = add nuw nsw i32 %mul9, %mul8 23 %conv1130 = zext i32 %add10 to i64 24 %mul12 = mul nuw nsw i64 %conv1130, %conv1130 25 %mul13 = mul nsw i64 %mul12, %mul12 26 %add14 = add nuw nsw i64 %mul13, %mul12 27 ret i64 %add14 28 } 29 30# CHECK: ********** MI Scheduling ********** 31# CHECK: SU(2): %2:gpr = SMULBB %1, %1, pred:14, pred:%noreg; GPR:%2,%1,%1 32# CHECK_A9: Latency : 2 33# CHECK_SWIFT: Latency : 4 34# CHECK_R52: Latency : 4 35# 36# CHECK: SU(3): %3:gprnopc = SMLABB %0, %0, %2, pred:14, pred:%noreg; GPRnopc:%3,%0,%0 GPR:%2 37# CHECK_A9: Latency : 2 38# CHECK_SWIFT: Latency : 4 39# CHECK_R52: Latency : 4 40# 41# CHECK: SU(4): %4:gprnopc = UXTH %3, 0, pred:14, pred:%noreg; GPRnopc:%4,%3 42# CHECK_A9: Latency : 1 43# CHECK_SWIFT: Latency : 1 44# CHECK_R52: Latency : 3 45# 46# CHECK: SU(5): %5:gprnopc = MUL %4, %4, pred:14, pred:%noreg, opt:%noreg; GPRnopc:%5,%4,%4 47# CHECK_A9: Latency : 2 48# CHECK_SWIFT: Latency : 4 49# CHECK_R52: Latency : 4 50# 51# CHECK: SU(6): %6:gprnopc = MLA %5, %5, %5, pred:14, pred:%noreg, opt:%noreg; GPRnopc:%6,%5,%5,%5 52# CHECK_A9: Latency : 2 53# CHECK_SWIFT: Latency : 4 54# CHECK_R52: Latency : 4 55# 56# CHECK: SU(7): %7:gprnopc, %8:gprnopc = UMULL %6, %6, pred:14, pred:%noreg, opt:%noreg; GPRnopc:%7,%8,%6,%6 57# CHECK_A9: Latency : 3 58# CHECK_SWIFT: Latency : 5 59# CHECK_R52: Latency : 4 60# 61# CHECK: SU(11): %13:gpr, %14:gprnopc = UMLAL %6, %6, %13, %14, pred:14, pred:%noreg, opt:%noreg; GPR:%13 GPRnopc:%14,%6,%6 62# CHECK_SWIFT: Latency : 7 63# CHECK_A9: Latency : 3 64# CHECK_R52: Latency : 4 65# CHECK: ** ScheduleDAGMILive::schedule picking next node 66... 67--- 68name: foo 69alignment: 2 70exposesReturnsTwice: false 71legalized: false 72regBankSelected: false 73selected: false 74tracksRegLiveness: true 75registers: 76 - { id: 0, class: gprnopc } 77 - { id: 1, class: gpr } 78 - { id: 2, class: gpr } 79 - { id: 3, class: gprnopc } 80 - { id: 4, class: gprnopc } 81 - { id: 5, class: gprnopc } 82 - { id: 6, class: gprnopc } 83 - { id: 7, class: gprnopc } 84 - { id: 8, class: gprnopc } 85 - { id: 9, class: gpr } 86 - { id: 10, class: gprnopc } 87 - { id: 11, class: gprnopc } 88 - { id: 12, class: gprnopc } 89 - { id: 13, class: gpr } 90 - { id: 14, class: gprnopc } 91liveins: 92 - { reg: '%r0', virtual-reg: '%0' } 93 - { reg: '%r1', virtual-reg: '%1' } 94frameInfo: 95 isFrameAddressTaken: false 96 isReturnAddressTaken: false 97 hasStackMap: false 98 hasPatchPoint: false 99 stackSize: 0 100 offsetAdjustment: 0 101 maxAlignment: 0 102 adjustsStack: false 103 hasCalls: false 104 maxCallFrameSize: 0 105 hasOpaqueSPAdjustment: false 106 hasVAStart: false 107 hasMustTailInVarArgFunc: false 108body: | 109 bb.0.entry: 110 liveins: %r0, %r1 111 112 %1 = COPY %r1 113 %0 = COPY %r0 114 %2 = SMULBB %1, %1, 14, %noreg 115 %3 = SMLABB %0, %0, %2, 14, %noreg 116 %4 = UXTH %3, 0, 14, %noreg 117 %5 = MUL %4, %4, 14, %noreg, %noreg 118 %6 = MLA %5, %5, %5, 14, %noreg, %noreg 119 %7, %8 = UMULL %6, %6, 14, %noreg, %noreg 120 %13, %10 = UMULL %7, %7, 14, %noreg, %noreg 121 %11 = MLA %7, %8, %10, 14, %noreg, %noreg 122 %14 = MLA %7, %8, %11, 14, %noreg, %noreg 123 %13, %14 = UMLAL %6, %6, %13, %14, 14, %noreg, %noreg 124 %r0 = COPY %13 125 %r1 = COPY %14 126 BX_RET 14, %noreg, implicit %r0, implicit %r1 127 128... 129