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comparison polly/test/CodeGen/aliasing_struct_element.ll @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
comparison
equal deleted inserted replaced
237:c80f45b162ad 252:1f2b6ac9f198
8 ; type of S (struct st *) or something else. 8 ; type of S (struct st *) or something else.
9 ; 9 ;
10 ; Verify that we do not use the offset 1423 into a non existent S array when we 10 ; Verify that we do not use the offset 1423 into a non existent S array when we
11 ; compute runtime alias checks but treat it as if it was a char array. 11 ; compute runtime alias checks but treat it as if it was a char array.
12 ; 12 ;
13 ; CHECK: %polly.access.cast.S = bitcast %struct.st* %S to i8* 13 ; CHECK: %polly.access.S = getelementptr i8, ptr %S, i64 1424
14 ; CHECK: %polly.access.S = getelementptr i8, i8* %polly.access.cast.S, i64 1424
15 ; 14 ;
16 ; struct st { 15 ; struct st {
17 ; int Dummy[100]; 16 ; int Dummy[100];
18 ; char B[100]; 17 ; char B[100];
19 ; }; 18 ; };
25 ; 24 ;
26 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 25 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
27 26
28 %struct.st = type { [100 x i32], [100 x i8] } 27 %struct.st = type { [100 x i32], [100 x i8] }
29 28
30 define void @jd(i32* %A, %struct.st* %S) { 29 define void @jd(ptr %A, ptr %S) {
31 entry: 30 entry:
32 br label %for.cond 31 br label %for.cond
33 32
34 for.cond: ; preds = %for.inc, %entry 33 for.cond: ; preds = %for.inc, %entry
35 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 34 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
36 %exitcond = icmp ne i64 %indvars.iv, 1024 35 %exitcond = icmp ne i64 %indvars.iv, 1024
37 br i1 %exitcond, label %for.body, label %for.end 36 br i1 %exitcond, label %for.body, label %for.end
38 37
39 for.body: ; preds = %for.cond 38 for.body: ; preds = %for.cond
40 %arrayidx = getelementptr inbounds %struct.st, %struct.st* %S, i64 0, i32 1, i64 %indvars.iv 39 %arrayidx = getelementptr inbounds %struct.st, ptr %S, i64 0, i32 1, i64 %indvars.iv
41 %tmp = load i8, i8* %arrayidx, align 1 40 %tmp = load i8, ptr %arrayidx, align 1
42 %conv = sext i8 %tmp to i32 41 %conv = sext i8 %tmp to i32
43 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 42 %arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
44 store i32 %conv, i32* %arrayidx2, align 4 43 store i32 %conv, ptr %arrayidx2, align 4
45 br label %for.inc 44 br label %for.inc
46 45
47 for.inc: ; preds = %for.body 46 for.inc: ; preds = %for.body
48 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 47 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
49 br label %for.cond 48 br label %for.cond