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annotate test/Transforms/InstCombine/store.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 60c9769439b8
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rev   line source
0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 ; RUN: opt < %s -instcombine -S | FileCheck %s
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 define void @test1(i32* %P) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 store i32 undef, i32* %P
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 store i32 123, i32* undef
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 store i32 124, i32* null
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 ret void
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 ; CHECK-LABEL: @test1(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
9 ; CHECK-NEXT: store i32 123, i32* undef
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 ; CHECK-NEXT: store i32 undef, i32* null
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 ; CHECK-NEXT: ret void
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 define void @test2(i32* %P) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15 %X = load i32* %P ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 %Y = add i32 %X, 0 ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 store i32 %Y, i32* %P
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 ret void
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 ; CHECK-LABEL: @test2(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 ; CHECK-NEXT: ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
23 ;; Simple sinking tests
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
24
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 ; "if then else"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
26 define i32 @test3(i1 %C) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 %A = alloca i32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 br i1 %C, label %Cond, label %Cond2
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
29
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
30 Cond:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
31 store i32 -987654321, i32* %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 br label %Cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
33
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
34 Cond2:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 store i32 47, i32* %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 br label %Cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
37
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
38 Cont:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 %V = load i32* %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
40 ret i32 %V
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 ; CHECK-LABEL: @test3(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
42 ; CHECK-NOT: alloca
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
43 ; CHECK: Cont:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
44 ; CHECK-NEXT: %storemerge = phi i32 [ 47, %Cond2 ], [ -987654321, %Cond ]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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45 ; CHECK-NEXT: ret i32 %storemerge
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
46 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
47
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
48 ; "if then"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
49 define i32 @test4(i1 %C) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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50 %A = alloca i32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
51 store i32 47, i32* %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
52 br i1 %C, label %Cond, label %Cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
53
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 Cond:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
55 store i32 -987654321, i32* %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
56 br label %Cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 Cont:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
59 %V = load i32* %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
60 ret i32 %V
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
61 ; CHECK-LABEL: @test4(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
62 ; CHECK-NOT: alloca
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63 ; CHECK: Cont:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
64 ; CHECK-NEXT: %storemerge = phi i32 [ -987654321, %Cond ], [ 47, %0 ]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
65 ; CHECK-NEXT: ret i32 %storemerge
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
66 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
67
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
68 ; "if then"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
69 define void @test5(i1 %C, i32* %P) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
70 store i32 47, i32* %P, align 1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
71 br i1 %C, label %Cond, label %Cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
72
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
73 Cond:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
74 store i32 -987654321, i32* %P, align 1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
75 br label %Cont
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
76
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
77 Cont:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
78 ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
79 ; CHECK-LABEL: @test5(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
80 ; CHECK: Cont:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
81 ; CHECK-NEXT: %storemerge = phi i32
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
82 ; CHECK-NEXT: store i32 %storemerge, i32* %P, align 1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
83 ; CHECK-NEXT: ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
84 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
85
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
86
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
87 ; PR14753 - merging two stores should preserve the TBAA tag.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
88 define void @test6(i32 %n, float* %a, i32* %gi) nounwind uwtable ssp {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
89 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
90 store i32 42, i32* %gi, align 4, !tbaa !0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
91 br label %for.cond
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
92
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
93 for.cond: ; preds = %for.body, %entry
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
94 %storemerge = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
95 %0 = load i32* %gi, align 4, !tbaa !0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
96 %cmp = icmp slt i32 %0, %n
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
97 br i1 %cmp, label %for.body, label %for.end
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
98
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99 for.body: ; preds = %for.cond
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
100 %idxprom = sext i32 %0 to i64
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
101 %arrayidx = getelementptr inbounds float* %a, i64 %idxprom
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
102 store float 0.000000e+00, float* %arrayidx, align 4, !tbaa !3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
103 %1 = load i32* %gi, align 4, !tbaa !0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
104 %inc = add nsw i32 %1, 1
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
105 store i32 %inc, i32* %gi, align 4, !tbaa !0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
106 br label %for.cond
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
107
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
108 for.end: ; preds = %for.cond
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
109 ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
110 ; CHECK-LABEL: @test6(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
111 ; CHECK: for.cond:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
112 ; CHECK-NEXT: phi i32 [ 42
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
113 ; CHECK-NEXT: store i32 %storemerge, i32* %gi, align 4, !tbaa !0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
114 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
115
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
116 !0 = metadata !{metadata !4, metadata !4, i64 0}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
117 !1 = metadata !{metadata !"omnipotent char", metadata !2}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
118 !2 = metadata !{metadata !"Simple C/C++ TBAA"}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
119 !3 = metadata !{metadata !"float", metadata !1}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
120 !4 = metadata !{metadata !"int", metadata !1}