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annotate test/CodeGen/AArch64/machine-combiner.ll @ 120:1172e4bd9c6f

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update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents 7d135dc70f03
children 803732b1fca8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
120
1172e4bd9c6f update 4.0.0
mir3636
parents: 100
diff changeset
1 ; RUN: llc -mtriple=aarch64-gnu-linux -mcpu=cortex-a57 -enable-unsafe-fp-math -disable-post-ra < %s | FileCheck %s
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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2
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parents:
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3 ; Verify that the first two adds are independent regardless of how the inputs are
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parents:
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4 ; commuted. The destination registers are used as source registers for the third add.
7d135dc70f03 LLVM 3.9
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parents:
diff changeset
5
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parents:
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6 define float @reassociate_adds1(float %x0, float %x1, float %x2, float %x3) {
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parents:
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7 ; CHECK-LABEL: reassociate_adds1:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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8 ; CHECK: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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9 ; CHECK-NEXT: fadd s1, s2, s3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 ; CHECK-NEXT: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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11 ; CHECK-NEXT: ret
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parents:
diff changeset
12 %t0 = fadd float %x0, %x1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 %t1 = fadd float %t0, %x2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 %t2 = fadd float %t1, %x3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 ret float %t2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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17
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18 define float @reassociate_adds2(float %x0, float %x1, float %x2, float %x3) {
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parents:
diff changeset
19 ; CHECK-LABEL: reassociate_adds2:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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20 ; CHECK: fadd s0, s0, s1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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21 ; CHECK-NEXT: fadd s1, s2, s3
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parents:
diff changeset
22 ; CHECK-NEXT: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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23 ; CHECK-NEXT: ret
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parents:
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24 %t0 = fadd float %x0, %x1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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25 %t1 = fadd float %x2, %t0
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parents:
diff changeset
26 %t2 = fadd float %t1, %x3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 ret float %t2
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parents:
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28 }
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parents:
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29
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30 define float @reassociate_adds3(float %x0, float %x1, float %x2, float %x3) {
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parents:
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31 ; CHECK-LABEL: reassociate_adds3:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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32 ; CHECK: s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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33 ; CHECK-NEXT: s1, s2, s3
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34 ; CHECK-NEXT: s0, s0, s1
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35 ; CHECK-NEXT: ret
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parents:
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36 %t0 = fadd float %x0, %x1
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parents:
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37 %t1 = fadd float %t0, %x2
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parents:
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38 %t2 = fadd float %x3, %t1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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39 ret float %t2
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parents:
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40 }
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41
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42 define float @reassociate_adds4(float %x0, float %x1, float %x2, float %x3) {
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parents:
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43 ; CHECK-LABEL: reassociate_adds4:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 ; CHECK: s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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45 ; CHECK-NEXT: s1, s2, s3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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46 ; CHECK-NEXT: s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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47 ; CHECK-NEXT: ret
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parents:
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48 %t0 = fadd float %x0, %x1
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parents:
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49 %t1 = fadd float %x2, %t0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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50 %t2 = fadd float %x3, %t1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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51 ret float %t2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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52 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
53
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parents:
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54 ; Verify that we reassociate some of these ops. The optimal balanced tree of adds is not
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 ; produced because that would cost more compile time.
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
56
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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57 define float @reassociate_adds5(float %x0, float %x1, float %x2, float %x3, float %x4, float %x5, float %x6, float %x7) {
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 ; CHECK-LABEL: reassociate_adds5:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 ; CHECK: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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60 ; CHECK-NEXT: fadd s1, s2, s3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 ; CHECK-NEXT: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 ; CHECK-NEXT: fadd s1, s4, s5
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 ; CHECK-NEXT: fadd s1, s1, s6
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 ; CHECK-NEXT: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 ; CHECK-NEXT: fadd s0, s0, s7
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 ; CHECK-NEXT: ret
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 %t0 = fadd float %x0, %x1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 %t1 = fadd float %t0, %x2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 %t2 = fadd float %t1, %x3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 %t3 = fadd float %t2, %x4
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 %t4 = fadd float %t3, %x5
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 %t5 = fadd float %t4, %x6
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 %t6 = fadd float %t5, %x7
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 ret float %t6
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
76
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parents:
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77 ; Verify that we only need two associative operations to reassociate the operands.
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 ; Also, we should reassociate such that the result of the high latency division
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 ; is used by the final 'add' rather than reassociating the %x3 operand with the
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 ; division. The latter reassociation would not improve anything.
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
81
7d135dc70f03 LLVM 3.9
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parents:
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82 define float @reassociate_adds6(float %x0, float %x1, float %x2, float %x3) {
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 ; CHECK-LABEL: reassociate_adds6:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 ; CHECK: fdiv s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
85 ; CHECK-NEXT: fadd s1, s2, s3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 ; CHECK-NEXT: fadd s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 ; CHECK-NEXT: ret
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parents:
diff changeset
88 %t0 = fdiv float %x0, %x1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 %t1 = fadd float %x2, %t0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 %t2 = fadd float %x3, %t1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 ret float %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
92 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
93
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 ; Verify that scalar single-precision multiplies are reassociated.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
95
7d135dc70f03 LLVM 3.9
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parents:
diff changeset
96 define float @reassociate_muls1(float %x0, float %x1, float %x2, float %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 ; CHECK-LABEL: reassociate_muls1:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 ; CHECK: fdiv s0, s0, s1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 ; CHECK-NEXT: fmul s1, s2, s3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 ; CHECK-NEXT: fmul s0, s0, s1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 ; CHECK-NEXT: ret
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
102 %t0 = fdiv float %x0, %x1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
103 %t1 = fmul float %x2, %t0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 %t2 = fmul float %x3, %t1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 ret float %t2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
106 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
107
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 ; Verify that scalar double-precision adds are reassociated.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
109
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 define double @reassociate_adds_double(double %x0, double %x1, double %x2, double %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 ; CHECK-LABEL: reassociate_adds_double:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
112 ; CHECK: fdiv d0, d0, d1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 ; CHECK-NEXT: fadd d1, d2, d3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
114 ; CHECK-NEXT: fadd d0, d0, d1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
115 ; CHECK-NEXT: ret
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
116 %t0 = fdiv double %x0, %x1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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117 %t1 = fadd double %x2, %t0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
118 %t2 = fadd double %x3, %t1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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119 ret double %t2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
120 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
121
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
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122 ; Verify that scalar double-precision multiplies are reassociated.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 define double @reassociate_muls_double(double %x0, double %x1, double %x2, double %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
125 ; CHECK-LABEL: reassociate_muls_double:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126 ; CHECK: fdiv d0, d0, d1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 ; CHECK-NEXT: fmul d1, d2, d3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 ; CHECK-NEXT: fmul d0, d0, d1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 ; CHECK-NEXT: ret
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 %t0 = fdiv double %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 %t1 = fmul double %x2, %t0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 %t2 = fmul double %x3, %t1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 ret double %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 ; Verify that we reassociate vector instructions too.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 define <4 x float> @vector_reassociate_adds1(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 ; CHECK-LABEL: vector_reassociate_adds1:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 ; CHECK: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 ; CHECK-NEXT: fadd v1.4s, v2.4s, v3.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 ; CHECK-NEXT: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 ; CHECK-NEXT: ret
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 %t0 = fadd <4 x float> %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 %t1 = fadd <4 x float> %t0, %x2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 %t2 = fadd <4 x float> %t1, %x3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 ret <4 x float> %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 define <4 x float> @vector_reassociate_adds2(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 ; CHECK-LABEL: vector_reassociate_adds2:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 ; CHECK: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 ; CHECK-NEXT: fadd v1.4s, v2.4s, v3.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 ; CHECK-NEXT: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 %t0 = fadd <4 x float> %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 %t1 = fadd <4 x float> %x2, %t0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 %t2 = fadd <4 x float> %t1, %x3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 ret <4 x float> %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 define <4 x float> @vector_reassociate_adds3(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 ; CHECK-LABEL: vector_reassociate_adds3:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 ; CHECK: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 ; CHECK-NEXT: fadd v1.4s, v2.4s, v3.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 ; CHECK-NEXT: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 %t0 = fadd <4 x float> %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 %t1 = fadd <4 x float> %t0, %x2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 %t2 = fadd <4 x float> %x3, %t1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 ret <4 x float> %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 define <4 x float> @vector_reassociate_adds4(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 ; CHECK-LABEL: vector_reassociate_adds4:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 ; CHECK: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 ; CHECK-NEXT: fadd v1.4s, v2.4s, v3.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 ; CHECK-NEXT: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 %t0 = fadd <4 x float> %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 %t1 = fadd <4 x float> %x2, %t0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 %t2 = fadd <4 x float> %x3, %t1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 ret <4 x float> %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 ; Verify that 128-bit vector single-precision multiplies are reassociated.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 define <4 x float> @reassociate_muls_v4f32(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 ; CHECK-LABEL: reassociate_muls_v4f32:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 ; CHECK: fadd v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 ; CHECK-NEXT: fmul v1.4s, v2.4s, v3.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 ; CHECK-NEXT: fmul v0.4s, v0.4s, v1.4s
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 ; CHECK-NEXT: ret
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 %t0 = fadd <4 x float> %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 %t1 = fmul <4 x float> %x2, %t0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 %t2 = fmul <4 x float> %x3, %t1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 ret <4 x float> %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 ; Verify that 128-bit vector double-precision multiplies are reassociated.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 define <2 x double> @reassociate_muls_v2f64(<2 x double> %x0, <2 x double> %x1, <2 x double> %x2, <2 x double> %x3) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 ; CHECK-LABEL: reassociate_muls_v2f64:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 ; CHECK: fadd v0.2d, v0.2d, v1.2d
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 ; CHECK-NEXT: fmul v1.2d, v2.2d, v3.2d
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 ; CHECK-NEXT: fmul v0.2d, v0.2d, v1.2d
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 ; CHECK-NEXT: ret
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 %t0 = fadd <2 x double> %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 %t1 = fmul <2 x double> %x2, %t0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 %t2 = fmul <2 x double> %x3, %t1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 ret <2 x double> %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 ; PR25016: https://llvm.org/bugs/show_bug.cgi?id=25016
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 ; Verify that reassociation is not happening needlessly or wrongly.
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 declare double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 define double @reassociate_adds_from_calls() {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 ; CHECK-LABEL: reassociate_adds_from_calls:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 ; CHECK: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 ; CHECK-NEXT: mov v8.16b, v0.16b
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 ; CHECK-NEXT: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 ; CHECK-NEXT: mov v9.16b, v0.16b
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 ; CHECK-NEXT: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 ; CHECK-NEXT: mov v10.16b, v0.16b
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 ; CHECK-NEXT: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 ; CHECK: fadd d1, d8, d9
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 ; CHECK-NEXT: fadd d0, d10, d0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 ; CHECK-NEXT: fadd d0, d1, d0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 %x0 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 %x1 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 %x2 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 %x3 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 %t0 = fadd double %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 %t1 = fadd double %t0, %x2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 %t2 = fadd double %t1, %x3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 ret double %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 define double @already_reassociated() {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 ; CHECK-LABEL: already_reassociated:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 ; CHECK: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 ; CHECK-NEXT: mov v8.16b, v0.16b
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 ; CHECK-NEXT: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 ; CHECK-NEXT: mov v9.16b, v0.16b
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 ; CHECK-NEXT: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 ; CHECK-NEXT: mov v10.16b, v0.16b
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 ; CHECK-NEXT: bl bar
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 ; CHECK: fadd d1, d8, d9
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247 ; CHECK-NEXT: fadd d0, d10, d0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 ; CHECK-NEXT: fadd d0, d1, d0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 %x0 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 %x1 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 %x2 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 %x3 = call double @bar()
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 %t0 = fadd double %x0, %x1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 %t1 = fadd double %x2, %x3
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 %t2 = fadd double %t0, %t1
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 ret double %t2
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 }
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258