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annotate test/CodeGen/SystemZ/fp-sub-01.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 ; Test 32-bit floating-point subtraction.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 ;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 declare float @foo()
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 ; Check register subtraction.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 define float @f1(float %f1, float %f2) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
9 ; CHECK-LABEL: f1:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 ; CHECK: sebr %f0, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 %res = fsub float %f1, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 ret float %res
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 ; Check the low end of the SEB range.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 define float @f2(float %f1, float *%ptr) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 ; CHECK-LABEL: f2:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 ; CHECK: seb %f0, 0(%r2)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 %f2 = load float *%ptr
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 %res = fsub float %f1, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
23 ret float %res
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
25
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
26 ; Check the high end of the aligned SEB range.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 define float @f3(float %f1, float *%base) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 ; CHECK-LABEL: f3:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
29 ; CHECK: seb %f0, 4092(%r2)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
30 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
31 %ptr = getelementptr float *%base, i64 1023
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 %f2 = load float *%ptr
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 %res = fsub float %f1, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
34 ret float %res
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
36
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
37 ; Check the next word up, which needs separate address logic.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 ; Other sequences besides this one would be OK.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 define float @f4(float %f1, float *%base) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 ; CHECK-LABEL: f4:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 ; CHECK: aghi %r2, 4096
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 ; CHECK: seb %f0, 0(%r2)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 %ptr = getelementptr float *%base, i64 1024
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
45 %f2 = load float *%ptr
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 %res = fsub float %f1, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
47 ret float %res
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
49
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
50 ; Check negative displacements, which also need separate address logic.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
51 define float @f5(float %f1, float *%base) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 ; CHECK-LABEL: f5:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
53 ; CHECK: aghi %r2, -4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 ; CHECK: seb %f0, 0(%r2)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
56 %ptr = getelementptr float *%base, i64 -1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 %f2 = load float *%ptr
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 %res = fsub float %f1, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 ret float %res
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
61
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 ; Check that SEB allows indices.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 define float @f6(float %f1, float *%base, i64 %index) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 ; CHECK-LABEL: f6:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 ; CHECK: sllg %r1, %r3, 2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 ; CHECK: seb %f0, 400(%r1,%r2)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
67 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 %ptr1 = getelementptr float *%base, i64 %index
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 %ptr2 = getelementptr float *%ptr1, i64 100
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 %f2 = load float *%ptr2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 %res = fsub float %f1, %f2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72 ret float %res
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 ; Check that subtractions of spilled values can use SEB rather than SEBR.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
76 define float @f7(float *%ptr0) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 ; CHECK-LABEL: f7:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 ; CHECK: brasl %r14, foo@PLT
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 ; CHECK: seb %f0, 16{{[04]}}(%r15)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 ; CHECK: br %r14
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 %ptr1 = getelementptr float *%ptr0, i64 2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
82 %ptr2 = getelementptr float *%ptr0, i64 4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 %ptr3 = getelementptr float *%ptr0, i64 6
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 %ptr4 = getelementptr float *%ptr0, i64 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
85 %ptr5 = getelementptr float *%ptr0, i64 10
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
86 %ptr6 = getelementptr float *%ptr0, i64 12
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 %ptr7 = getelementptr float *%ptr0, i64 14
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 %ptr8 = getelementptr float *%ptr0, i64 16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 %ptr9 = getelementptr float *%ptr0, i64 18
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 %ptr10 = getelementptr float *%ptr0, i64 20
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
91
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
92 %val0 = load float *%ptr0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 %val1 = load float *%ptr1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 %val2 = load float *%ptr2
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
95 %val3 = load float *%ptr3
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 %val4 = load float *%ptr4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 %val5 = load float *%ptr5
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
98 %val6 = load float *%ptr6
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 %val7 = load float *%ptr7
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 %val8 = load float *%ptr8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 %val9 = load float *%ptr9
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
102 %val10 = load float *%ptr10
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
103
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 %ret = call float @foo()
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
105
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
106 %sub0 = fsub float %ret, %val0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
107 %sub1 = fsub float %sub0, %val1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 %sub2 = fsub float %sub1, %val2
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
109 %sub3 = fsub float %sub2, %val3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 %sub4 = fsub float %sub3, %val4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 %sub5 = fsub float %sub4, %val5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
112 %sub6 = fsub float %sub5, %val6
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 %sub7 = fsub float %sub6, %val7
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
114 %sub8 = fsub float %sub7, %val8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
115 %sub9 = fsub float %sub8, %val9
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
116 %sub10 = fsub float %sub9, %val10
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
117
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
118 ret float %sub10
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
119 }