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comparison test/Analysis/BasicAA/phi-aa.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 60c9769439b8
children 1172e4bd9c6f
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
23 bb1: 23 bb1:
24 br label %bb2 24 br label %bb2
25 25
26 bb2: 26 bb2:
27 %P = phi i32* [ @X, %bb ], [ @Y, %bb1 ] 27 %P = phi i32* [ @X, %bb ], [ @Y, %bb1 ]
28 %tmp1 = load i32* @Z, align 4 28 %tmp1 = load i32, i32* @Z, align 4
29 store i32 123, i32* %P, align 4 29 store i32 123, i32* %P, align 4
30 %tmp2 = load i32* @Z, align 4 30 %tmp2 = load i32, i32* @Z, align 4
31 br label %return 31 br label %return
32 32
33 return: 33 return:
34 ret void 34 ret void
35 } 35 }
50 %0 = phi i32* [ %arrayidx13, %for.body ], [ %j, %entry ] 50 %0 = phi i32* [ %arrayidx13, %for.body ], [ %j, %entry ]
51 %targetBlock = call i1 @cond(i32* %jj7) 51 %targetBlock = call i1 @cond(i32* %jj7)
52 br i1 %targetBlock, label %for.body, label %bye 52 br i1 %targetBlock, label %for.body, label %bye
53 53
54 for.body: 54 for.body:
55 %1 = load i32* %jj7, align 4 55 %1 = load i32, i32* %jj7, align 4
56 %idxprom4 = zext i32 %1 to i64 56 %idxprom4 = zext i32 %1 to i64
57 %arrayidx5 = getelementptr inbounds [100 x i32]* %oa5, i64 0, i64 %idxprom4 57 %arrayidx5 = getelementptr inbounds [100 x i32], [100 x i32]* %oa5, i64 0, i64 %idxprom4
58 %2 = load i32* %arrayidx5, align 4 58 %2 = load i32, i32* %arrayidx5, align 4
59 %sub6 = sub i32 %2, 6 59 %sub6 = sub i32 %2, 6
60 store i32 %sub6, i32* %arrayidx5, align 4 60 store i32 %sub6, i32* %arrayidx5, align 4
61 ; %0 and %arrayidx5 can alias! It is not safe to DSE the above store. 61 ; %0 and %arrayidx5 can alias! It is not safe to DSE the above store.
62 %3 = load i32* %0, align 4 62 %3 = load i32, i32* %0, align 4
63 store i32 %3, i32* %arrayidx5, align 4 63 store i32 %3, i32* %arrayidx5, align 4
64 %sub11 = add i32 %1, -1 64 %sub11 = add i32 %1, -1
65 %idxprom12 = zext i32 %sub11 to i64 65 %idxprom12 = zext i32 %sub11 to i64
66 %arrayidx13 = getelementptr inbounds [100 x i32]* %oa5, i64 0, i64 %idxprom12 66 %arrayidx13 = getelementptr inbounds [100 x i32], [100 x i32]* %oa5, i64 0, i64 %idxprom12
67 call void @inc(i32* %jj7) 67 call void @inc(i32* %jj7)
68 br label %codeRepl 68 br label %codeRepl
69 69
70 bye: 70 bye:
71 %.reload = load i32* %jj7, align 4 71 %.reload = load i32, i32* %jj7, align 4
72 ret i32 %.reload 72 ret i32 %.reload
73 } 73 }
74 74
75 declare i1 @cond(i32*) 75 declare i1 @cond(i32*)
76 76