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
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"
14 define i64 @foo(i16 signext %a, i16 signext %b) {
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
30 # CHECK: ********** MI Scheduling **********
31 # CHECK: SU(2): %2:gpr = SMULBB %1:gpr, %1:gpr, 14, $noreg
32 # CHECK_A9: Latency : 2
33 # CHECK_SWIFT: Latency : 4
34 # CHECK_R52: Latency : 4
36 # CHECK: SU(3): %3:gprnopc = SMLABB %0:gprnopc, %0:gprnopc, %2:gpr, 14, $noreg
37 # CHECK_A9: Latency : 2
38 # CHECK_SWIFT: Latency : 4
39 # CHECK_R52: Latency : 4
41 # CHECK: SU(4): %4:gprnopc = UXTH %3:gprnopc, 0, 14, $noreg
42 # CHECK_A9: Latency : 1
43 # CHECK_SWIFT: Latency : 1
44 # CHECK_R52: Latency : 3
46 # CHECK: SU(5): %5:gprnopc = MUL %4:gprnopc, %4:gprnopc, 14, $noreg, $noreg
47 # CHECK_A9: Latency : 2
48 # CHECK_SWIFT: Latency : 4
49 # CHECK_R52: Latency : 4
51 # CHECK: SU(6): %6:gprnopc = MLA %5:gprnopc, %5:gprnopc, %5:gprnopc, 14, $noreg, $noreg
52 # CHECK_A9: Latency : 2
53 # CHECK_SWIFT: Latency : 4
54 # CHECK_R52: Latency : 4
56 # CHECK: SU(7): %7:gprnopc, %8:gprnopc = UMULL %6:gprnopc, %6:gprnopc, 14, $noreg, $noreg
57 # CHECK_A9: Latency : 3
58 # CHECK_SWIFT: Latency : 5
59 # CHECK_R52: Latency : 4
61 # CHECK: SU(11): %13:gpr, %14:gprnopc = UMLAL %6:gprnopc, %6:gprnopc, %13:gpr(tied-def 0), %14:gprnopc(tied-def 1), 14, $noreg, $noreg
62 # CHECK_SWIFT: Latency : 7
63 # CHECK_A9: Latency : 3
64 # CHECK_R52: Latency : 4
65 # CHECK: ** ScheduleDAGMILive::schedule picking next node
70 exposesReturnsTwice: false
72 regBankSelected: false
74 tracksRegLiveness: true
76 - { id: 0, class: gprnopc }
77 - { id: 1, class: gpr }
78 - { id: 2, class: gpr }
79 - { id: 3, class: gprnopc }
80 - { id: 4, class: gprnopc }
81 - { id: 5, class: gprnopc }
82 - { id: 6, class: gprnopc }
83 - { id: 7, class: gprnopc }
84 - { id: 8, class: gprnopc }
85 - { id: 9, class: gpr }
86 - { id: 10, class: gprnopc }
87 - { id: 11, class: gprnopc }
88 - { id: 12, class: gprnopc }
89 - { id: 13, class: gpr }
90 - { id: 14, class: gprnopc }
92 - { reg: '$r0', virtual-reg: '%0' }
93 - { reg: '$r1', virtual-reg: '%1' }
95 isFrameAddressTaken: false
96 isReturnAddressTaken: false
105 hasOpaqueSPAdjustment: false
107 hasMustTailInVarArgFunc: false
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
126 BX_RET 14, $noreg, implicit $r0, implicit $r1