| blob | 1918e3144ec805c062849ef78a5a50143a3702c8 |
1 # Basic machine sched model test for Thumb2 int instructions
2 # RUN: llc -o /dev/null %s -mtriple=thumbv7-eabi -mcpu=swift -run-pass machine-scheduler -enable-misched -verify-misched \
3 # RUN: -debug-only=machine-scheduler 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_SWIFT
4 # RUN: llc -o /dev/null %s -mtriple=thumbv7--eabi -mcpu=cortex-a9 -run-pass machine-scheduler -enable-misched -verify-misched \
5 # RUN: -debug-only=machine-scheduler 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_A9
6 # RUN: llc -o /dev/null %s -mtriple=thumbv8r-eabi -mcpu=cortex-r52 -run-pass machine-scheduler -enable-misched -verify-misched \
7 # RUN: -debug-only=machine-scheduler 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK_R52
8 # REQUIRES: asserts
9 --- |
10 ; ModuleID = 'foo.ll'
11 source_filename = "foo.ll"
12 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
13 target triple = "thumbv7---eabi"
15 @g1 = common global i32 0, align 4
16 @g2 = common global i32 0, align 4
18 define i64 @foo(i16 signext %a, i16 signext %b) {
19 entry:
20 %0 = load i32, i32* @g1, align 4
21 %1 = load i32, i32* @g2, align 4
22 %2 = add nuw nsw i32 %0, %0
23 %3 = sdiv i32 %2, %1
24 store i32 %3, i32* @g1, align 4
25 %d = mul nsw i16 %a, %a
26 %e = mul nsw i16 %b, %b
27 %f = add nuw nsw i16 %e, %d
28 %c = zext i16 %f to i32
29 %mul8 = mul nsw i32 %c, %3
30 %mul9 = mul nsw i32 %mul8, %mul8
31 %add10 = add nuw nsw i32 %mul9, %mul8
32 %conv1130 = zext i32 %add10 to i64
33 %mul12 = mul nuw nsw i64 %conv1130, %conv1130
34 %mul13 = mul nsw i64 %mul12, %mul12
35 %add14 = add nuw nsw i64 %mul13, %mul12
36 ret i64 %add14
37 }
38 #
39 # CHECK: ********** MI Scheduling **********
40 # CHECK: SU(2): %2:rgpr = t2MOVi32imm @g1
41 # CHECK_A9: Latency : 2
42 # CHECK_SWIFT: Latency : 2
43 # CHECK_R52: Latency : 2
44 #
45 # CHECK: SU(3): %3:rgpr = t2LDRi12 %2:rgpr, 0, 14, $noreg :: (dereferenceable load 4 from @g1)
46 # CHECK_A9: Latency : 1
47 # CHECK_SWIFT: Latency : 3
48 # CHECK_R52: Latency : 4
49 #
50 # CHECK : SU(6): %6 = t2ADDrr %3:rgpr, %3:rgpr, 14, $noreg, $noreg
51 # CHECK_A9: Latency : 1
52 # CHECK_SWIFT: Latency : 1
53 # CHECK_R52: Latency : 3
55 # CHECK: SU(7): %7:rgpr = t2SDIV %6:rgpr, %5:rgpr, 14, $noreg
56 # CHECK_A9: Latency : 0
57 # CHECK_SWIFT: Latency : 14
58 # CHECK_R52: Latency : 8
60 # CHECK: SU(8): t2STRi12 %7:rgpr, %2:rgpr, 0, 14, $noreg :: (store 4 into @g1)
61 # CHECK_A9: Latency : 1
62 # CHECK_SWIFT: Latency : 0
63 # CHECK_R52: Latency : 4
64 #
65 # CHECK: SU(9): %8:rgpr = t2SMULBB %1:rgpr, %1:rgpr, 14, $noreg
66 # CHECK_A9: Latency : 2
67 # CHECK_SWIFT: Latency : 4
68 # CHECK_R52: Latency : 4
69 #
70 # CHECK: SU(10): %9:rgpr = t2SMLABB %0:rgpr, %0:rgpr, %8:rgpr, 14, $noreg
71 # CHECK_A9: Latency : 2
72 # CHECK_SWIFT: Latency : 4
73 # CHECK_R52: Latency : 4
74 #
75 # CHECK: SU(11): %10:rgpr = t2UXTH %9:rgpr, 0, 14, $noreg
76 # CHECK_A9: Latency : 1
77 # CHECK_SWIFT: Latency : 1
78 # CHECK_R52: Latency : 3
79 #
80 # CHECK: SU(12): %11:rgpr = t2MUL %10:rgpr, %7:rgpr, 14, $noreg
81 # CHECK_A9: Latency : 2
82 # CHECK_SWIFT: Latency : 4
83 # CHECK_R52: Latency : 4
84 #
85 # CHECK: SU(13): %12:rgpr = t2MLA %11:rgpr, %11:rgpr, %11:rgpr, 14, $noreg
86 # CHECK_A9: Latency : 2
87 # CHECK_SWIFT: Latency : 4
88 # CHECK_R52: Latency : 4
89 #
90 # CHECK: SU(14): %13:rgpr, %14:rgpr = t2UMULL %12:rgpr, %12:rgpr, 14, $noreg
91 # CHECK_A9: Latency : 3
92 # CHECK_SWIFT: Latency : 5
93 # CHECK_R52: Latency : 4
94 #
95 # CHECK: SU(18): %19:rgpr, %20:rgpr = t2UMLAL %12:rgpr, %12:rgpr, %19:rgpr(tied-def 0), %20:rgpr(tied-def 1), 14, $noreg
96 # CHECK_A9: Latency : 3
97 # CHECK_SWIFT: Latency : 7
98 # CHECK_R52: Latency : 4
99 # CHECK: ** ScheduleDAGMILive::schedule picking next node
100 ...
101 ---
102 name: foo
103 alignment: 2
104 exposesReturnsTwice: false
105 legalized: false
106 regBankSelected: false
107 selected: false
108 tracksRegLiveness: true
109 registers:
110 - { id: 0, class: rgpr }
111 - { id: 1, class: rgpr }
112 - { id: 2, class: rgpr }
113 - { id: 3, class: rgpr }
114 - { id: 4, class: rgpr }
115 - { id: 5, class: rgpr }
116 - { id: 6, class: rgpr }
117 - { id: 7, class: rgpr }
118 - { id: 8, class: rgpr }
119 - { id: 9, class: rgpr }
120 - { id: 10, class: rgpr }
121 - { id: 11, class: rgpr }
122 - { id: 12, class: rgpr }
123 - { id: 13, class: rgpr }
124 - { id: 14, class: rgpr }
125 - { id: 15, class: rgpr }
126 - { id: 16, class: rgpr }
127 - { id: 17, class: rgpr }
128 - { id: 18, class: rgpr }
129 - { id: 19, class: rgpr }
130 - { id: 20, class: rgpr }
131 liveins:
132 - { reg: '$r0', virtual-reg: '%0' }
133 - { reg: '$r1', virtual-reg: '%1' }
134 frameInfo:
135 isFrameAddressTaken: false
136 isReturnAddressTaken: false
137 hasStackMap: false
138 hasPatchPoint: false
139 stackSize: 0
140 offsetAdjustment: 0
141 maxAlignment: 0
142 adjustsStack: false
143 hasCalls: false
144 maxCallFrameSize: 0
145 hasOpaqueSPAdjustment: false
146 hasVAStart: false
147 hasMustTailInVarArgFunc: false
148 body: |
149 bb.0.entry:
150 liveins: $r0, $r1
152 %1 = COPY $r1
153 %0 = COPY $r0
154 %2 = t2MOVi32imm @g1
155 %3 = t2LDRi12 %2, 0, 14, $noreg :: (dereferenceable load 4 from @g1)
156 %4 = t2MOVi32imm @g2
157 %5 = t2LDRi12 %4, 0, 14, $noreg :: (dereferenceable load 4 from @g2)
158 %6 = t2ADDrr %3, %3, 14, $noreg, $noreg
159 %7 = t2SDIV %6, %5, 14, $noreg
160 t2STRi12 %7, %2, 0, 14, $noreg :: (store 4 into @g1)
161 %8 = t2SMULBB %1, %1, 14, $noreg
162 %9 = t2SMLABB %0, %0, %8, 14, $noreg
163 %10 = t2UXTH %9, 0, 14, $noreg
164 %11 = t2MUL %10, %7, 14, $noreg
165 %12 = t2MLA %11, %11, %11, 14, $noreg
166 %13, %14 = t2UMULL %12, %12, 14, $noreg
167 %19, %16 = t2UMULL %13, %13, 14, $noreg
168 %17 = t2MLA %13, %14, %16, 14, $noreg
169 %20 = t2MLA %13, %14, %17, 14, $noreg
170 %19, %20 = t2UMLAL %12, %12, %19, %20, 14, $noreg
171 $r0 = COPY %19
172 $r1 = COPY %20
173 tBX_RET 14, $noreg, implicit $r0, implicit $r1
175 ...