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comparison test/CodeGen/X86/regpressure.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 803732b1fca8
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
7 7
8 ;; This can be compiled to use three registers if the loads are not 8 ;; This can be compiled to use three registers if the loads are not
9 ;; folded into the multiplies, 2 registers otherwise. 9 ;; folded into the multiplies, 2 registers otherwise.
10 10
11 define i32 @regpressure1(i32* %P) { 11 define i32 @regpressure1(i32* %P) {
12 %A = load i32* %P ; <i32> [#uses=1] 12 %A = load i32, i32* %P ; <i32> [#uses=1]
13 %Bp = getelementptr i32* %P, i32 1 ; <i32*> [#uses=1] 13 %Bp = getelementptr i32, i32* %P, i32 1 ; <i32*> [#uses=1]
14 %B = load i32* %Bp ; <i32> [#uses=1] 14 %B = load i32, i32* %Bp ; <i32> [#uses=1]
15 %s1 = mul i32 %A, %B ; <i32> [#uses=1] 15 %s1 = mul i32 %A, %B ; <i32> [#uses=1]
16 %Cp = getelementptr i32* %P, i32 2 ; <i32*> [#uses=1] 16 %Cp = getelementptr i32, i32* %P, i32 2 ; <i32*> [#uses=1]
17 %C = load i32* %Cp ; <i32> [#uses=1] 17 %C = load i32, i32* %Cp ; <i32> [#uses=1]
18 %s2 = mul i32 %s1, %C ; <i32> [#uses=1] 18 %s2 = mul i32 %s1, %C ; <i32> [#uses=1]
19 %Dp = getelementptr i32* %P, i32 3 ; <i32*> [#uses=1] 19 %Dp = getelementptr i32, i32* %P, i32 3 ; <i32*> [#uses=1]
20 %D = load i32* %Dp ; <i32> [#uses=1] 20 %D = load i32, i32* %Dp ; <i32> [#uses=1]
21 %s3 = mul i32 %s2, %D ; <i32> [#uses=1] 21 %s3 = mul i32 %s2, %D ; <i32> [#uses=1]
22 %Ep = getelementptr i32* %P, i32 4 ; <i32*> [#uses=1] 22 %Ep = getelementptr i32, i32* %P, i32 4 ; <i32*> [#uses=1]
23 %E = load i32* %Ep ; <i32> [#uses=1] 23 %E = load i32, i32* %Ep ; <i32> [#uses=1]
24 %s4 = mul i32 %s3, %E ; <i32> [#uses=1] 24 %s4 = mul i32 %s3, %E ; <i32> [#uses=1]
25 %Fp = getelementptr i32* %P, i32 5 ; <i32*> [#uses=1] 25 %Fp = getelementptr i32, i32* %P, i32 5 ; <i32*> [#uses=1]
26 %F = load i32* %Fp ; <i32> [#uses=1] 26 %F = load i32, i32* %Fp ; <i32> [#uses=1]
27 %s5 = mul i32 %s4, %F ; <i32> [#uses=1] 27 %s5 = mul i32 %s4, %F ; <i32> [#uses=1]
28 %Gp = getelementptr i32* %P, i32 6 ; <i32*> [#uses=1] 28 %Gp = getelementptr i32, i32* %P, i32 6 ; <i32*> [#uses=1]
29 %G = load i32* %Gp ; <i32> [#uses=1] 29 %G = load i32, i32* %Gp ; <i32> [#uses=1]
30 %s6 = mul i32 %s5, %G ; <i32> [#uses=1] 30 %s6 = mul i32 %s5, %G ; <i32> [#uses=1]
31 %Hp = getelementptr i32* %P, i32 7 ; <i32*> [#uses=1] 31 %Hp = getelementptr i32, i32* %P, i32 7 ; <i32*> [#uses=1]
32 %H = load i32* %Hp ; <i32> [#uses=1] 32 %H = load i32, i32* %Hp ; <i32> [#uses=1]
33 %s7 = mul i32 %s6, %H ; <i32> [#uses=1] 33 %s7 = mul i32 %s6, %H ; <i32> [#uses=1]
34 %Ip = getelementptr i32* %P, i32 8 ; <i32*> [#uses=1] 34 %Ip = getelementptr i32, i32* %P, i32 8 ; <i32*> [#uses=1]
35 %I = load i32* %Ip ; <i32> [#uses=1] 35 %I = load i32, i32* %Ip ; <i32> [#uses=1]
36 %s8 = mul i32 %s7, %I ; <i32> [#uses=1] 36 %s8 = mul i32 %s7, %I ; <i32> [#uses=1]
37 %Jp = getelementptr i32* %P, i32 9 ; <i32*> [#uses=1] 37 %Jp = getelementptr i32, i32* %P, i32 9 ; <i32*> [#uses=1]
38 %J = load i32* %Jp ; <i32> [#uses=1] 38 %J = load i32, i32* %Jp ; <i32> [#uses=1]
39 %s9 = mul i32 %s8, %J ; <i32> [#uses=1] 39 %s9 = mul i32 %s8, %J ; <i32> [#uses=1]
40 ret i32 %s9 40 ret i32 %s9
41 } 41 }
42 42
43 define i32 @regpressure2(i32* %P) { 43 define i32 @regpressure2(i32* %P) {
44 %A = load i32* %P ; <i32> [#uses=1] 44 %A = load i32, i32* %P ; <i32> [#uses=1]
45 %Bp = getelementptr i32* %P, i32 1 ; <i32*> [#uses=1] 45 %Bp = getelementptr i32, i32* %P, i32 1 ; <i32*> [#uses=1]
46 %B = load i32* %Bp ; <i32> [#uses=1] 46 %B = load i32, i32* %Bp ; <i32> [#uses=1]
47 %Cp = getelementptr i32* %P, i32 2 ; <i32*> [#uses=1] 47 %Cp = getelementptr i32, i32* %P, i32 2 ; <i32*> [#uses=1]
48 %C = load i32* %Cp ; <i32> [#uses=1] 48 %C = load i32, i32* %Cp ; <i32> [#uses=1]
49 %Dp = getelementptr i32* %P, i32 3 ; <i32*> [#uses=1] 49 %Dp = getelementptr i32, i32* %P, i32 3 ; <i32*> [#uses=1]
50 %D = load i32* %Dp ; <i32> [#uses=1] 50 %D = load i32, i32* %Dp ; <i32> [#uses=1]
51 %Ep = getelementptr i32* %P, i32 4 ; <i32*> [#uses=1] 51 %Ep = getelementptr i32, i32* %P, i32 4 ; <i32*> [#uses=1]
52 %E = load i32* %Ep ; <i32> [#uses=1] 52 %E = load i32, i32* %Ep ; <i32> [#uses=1]
53 %Fp = getelementptr i32* %P, i32 5 ; <i32*> [#uses=1] 53 %Fp = getelementptr i32, i32* %P, i32 5 ; <i32*> [#uses=1]
54 %F = load i32* %Fp ; <i32> [#uses=1] 54 %F = load i32, i32* %Fp ; <i32> [#uses=1]
55 %Gp = getelementptr i32* %P, i32 6 ; <i32*> [#uses=1] 55 %Gp = getelementptr i32, i32* %P, i32 6 ; <i32*> [#uses=1]
56 %G = load i32* %Gp ; <i32> [#uses=1] 56 %G = load i32, i32* %Gp ; <i32> [#uses=1]
57 %Hp = getelementptr i32* %P, i32 7 ; <i32*> [#uses=1] 57 %Hp = getelementptr i32, i32* %P, i32 7 ; <i32*> [#uses=1]
58 %H = load i32* %Hp ; <i32> [#uses=1] 58 %H = load i32, i32* %Hp ; <i32> [#uses=1]
59 %Ip = getelementptr i32* %P, i32 8 ; <i32*> [#uses=1] 59 %Ip = getelementptr i32, i32* %P, i32 8 ; <i32*> [#uses=1]
60 %I = load i32* %Ip ; <i32> [#uses=1] 60 %I = load i32, i32* %Ip ; <i32> [#uses=1]
61 %Jp = getelementptr i32* %P, i32 9 ; <i32*> [#uses=1] 61 %Jp = getelementptr i32, i32* %P, i32 9 ; <i32*> [#uses=1]
62 %J = load i32* %Jp ; <i32> [#uses=1] 62 %J = load i32, i32* %Jp ; <i32> [#uses=1]
63 %s1 = mul i32 %A, %B ; <i32> [#uses=1] 63 %s1 = mul i32 %A, %B ; <i32> [#uses=1]
64 %s2 = mul i32 %s1, %C ; <i32> [#uses=1] 64 %s2 = mul i32 %s1, %C ; <i32> [#uses=1]
65 %s3 = mul i32 %s2, %D ; <i32> [#uses=1] 65 %s3 = mul i32 %s2, %D ; <i32> [#uses=1]
66 %s4 = mul i32 %s3, %E ; <i32> [#uses=1] 66 %s4 = mul i32 %s3, %E ; <i32> [#uses=1]
67 %s5 = mul i32 %s4, %F ; <i32> [#uses=1] 67 %s5 = mul i32 %s4, %F ; <i32> [#uses=1]
71 %s9 = mul i32 %s8, %J ; <i32> [#uses=1] 71 %s9 = mul i32 %s8, %J ; <i32> [#uses=1]
72 ret i32 %s9 72 ret i32 %s9
73 } 73 }
74 74
75 define i32 @regpressure3(i16* %P, i1 %Cond, i32* %Other) { 75 define i32 @regpressure3(i16* %P, i1 %Cond, i32* %Other) {
76 %A = load i16* %P ; <i16> [#uses=1] 76 %A = load i16, i16* %P ; <i16> [#uses=1]
77 %Bp = getelementptr i16* %P, i32 1 ; <i16*> [#uses=1] 77 %Bp = getelementptr i16, i16* %P, i32 1 ; <i16*> [#uses=1]
78 %B = load i16* %Bp ; <i16> [#uses=1] 78 %B = load i16, i16* %Bp ; <i16> [#uses=1]
79 %Cp = getelementptr i16* %P, i32 2 ; <i16*> [#uses=1] 79 %Cp = getelementptr i16, i16* %P, i32 2 ; <i16*> [#uses=1]
80 %C = load i16* %Cp ; <i16> [#uses=1] 80 %C = load i16, i16* %Cp ; <i16> [#uses=1]
81 %Dp = getelementptr i16* %P, i32 3 ; <i16*> [#uses=1] 81 %Dp = getelementptr i16, i16* %P, i32 3 ; <i16*> [#uses=1]
82 %D = load i16* %Dp ; <i16> [#uses=1] 82 %D = load i16, i16* %Dp ; <i16> [#uses=1]
83 %Ep = getelementptr i16* %P, i32 4 ; <i16*> [#uses=1] 83 %Ep = getelementptr i16, i16* %P, i32 4 ; <i16*> [#uses=1]
84 %E = load i16* %Ep ; <i16> [#uses=1] 84 %E = load i16, i16* %Ep ; <i16> [#uses=1]
85 %Fp = getelementptr i16* %P, i32 5 ; <i16*> [#uses=1] 85 %Fp = getelementptr i16, i16* %P, i32 5 ; <i16*> [#uses=1]
86 %F = load i16* %Fp ; <i16> [#uses=1] 86 %F = load i16, i16* %Fp ; <i16> [#uses=1]
87 %Gp = getelementptr i16* %P, i32 6 ; <i16*> [#uses=1] 87 %Gp = getelementptr i16, i16* %P, i32 6 ; <i16*> [#uses=1]
88 %G = load i16* %Gp ; <i16> [#uses=1] 88 %G = load i16, i16* %Gp ; <i16> [#uses=1]
89 %Hp = getelementptr i16* %P, i32 7 ; <i16*> [#uses=1] 89 %Hp = getelementptr i16, i16* %P, i32 7 ; <i16*> [#uses=1]
90 %H = load i16* %Hp ; <i16> [#uses=1] 90 %H = load i16, i16* %Hp ; <i16> [#uses=1]
91 %Ip = getelementptr i16* %P, i32 8 ; <i16*> [#uses=1] 91 %Ip = getelementptr i16, i16* %P, i32 8 ; <i16*> [#uses=1]
92 %I = load i16* %Ip ; <i16> [#uses=1] 92 %I = load i16, i16* %Ip ; <i16> [#uses=1]
93 %Jp = getelementptr i16* %P, i32 9 ; <i16*> [#uses=1] 93 %Jp = getelementptr i16, i16* %P, i32 9 ; <i16*> [#uses=1]
94 %J = load i16* %Jp ; <i16> [#uses=1] 94 %J = load i16, i16* %Jp ; <i16> [#uses=1]
95 %A.upgrd.1 = sext i16 %A to i32 ; <i32> [#uses=1] 95 %A.upgrd.1 = sext i16 %A to i32 ; <i32> [#uses=1]
96 %B.upgrd.2 = sext i16 %B to i32 ; <i32> [#uses=1] 96 %B.upgrd.2 = sext i16 %B to i32 ; <i32> [#uses=1]
97 %D.upgrd.3 = sext i16 %D to i32 ; <i32> [#uses=1] 97 %D.upgrd.3 = sext i16 %D to i32 ; <i32> [#uses=1]
98 %C.upgrd.4 = sext i16 %C to i32 ; <i32> [#uses=1] 98 %C.upgrd.4 = sext i16 %C to i32 ; <i32> [#uses=1]
99 %E.upgrd.5 = sext i16 %E to i32 ; <i32> [#uses=1] 99 %E.upgrd.5 = sext i16 %E to i32 ; <i32> [#uses=1]