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Commit | Line | Data |
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9d2dc7da KG |
1 | /* Test for a bogus warning on comparison between signed and unsigned. |
2 | This was inspired by code in gcc. */ | |
3 | ||
4 | /* { dg-do compile } */ | |
5 | /* { dg-options "-Wsign-compare" } */ | |
6 | ||
7 | int tf = 1; | |
8 | ||
9 | void f(int x, unsigned int y) | |
10 | { | |
11 | /* Test comparing conditional expressions containing truth values. | |
12 | This can occur explicitly, or e.g. when (foo?2:(bar?1:0)) is | |
13 | optimized into (foo?2:(bar!=0)). */ | |
14 | x > (tf?64:(tf!=x)); /* { dg-bogus "signed and unsigned" "case 1" } */ | |
15 | y > (tf?64:(tf!=x)); /* { dg-bogus "signed and unsigned" "case 2" } */ | |
16 | x > (tf?(tf!=x):64); /* { dg-bogus "signed and unsigned" "case 3" } */ | |
17 | y > (tf?(tf!=x):64); /* { dg-bogus "signed and unsigned" "case 4" } */ | |
18 | ||
19 | x > (tf?64:(tf==x)); /* { dg-bogus "signed and unsigned" "case 5" } */ | |
20 | y > (tf?64:(tf==x)); /* { dg-bogus "signed and unsigned" "case 6" } */ | |
21 | x > (tf?(tf==x):64); /* { dg-bogus "signed and unsigned" "case 7" } */ | |
22 | y > (tf?(tf==x):64); /* { dg-bogus "signed and unsigned" "case 8" } */ | |
23 | ||
24 | x > (tf?64:(tf>x)); /* { dg-bogus "signed and unsigned" "case 9" } */ | |
25 | y > (tf?64:(tf>x)); /* { dg-bogus "signed and unsigned" "case 10" } */ | |
26 | x > (tf?(tf>x):64); /* { dg-bogus "signed and unsigned" "case 11" } */ | |
27 | y > (tf?(tf>x):64); /* { dg-bogus "signed and unsigned" "case 12" } */ | |
28 | ||
29 | x < (tf?64:(tf<x)); /* { dg-bogus "signed and unsigned" "case 13" } */ | |
30 | y < (tf?64:(tf<x)); /* { dg-bogus "signed and unsigned" "case 14" } */ | |
31 | x < (tf?(tf<x):64); /* { dg-bogus "signed and unsigned" "case 15" } */ | |
32 | y < (tf?(tf<x):64); /* { dg-bogus "signed and unsigned" "case 16" } */ | |
33 | ||
34 | x > (tf?64:(tf>=x)); /* { dg-bogus "signed and unsigned" "case 17" } */ | |
35 | y > (tf?64:(tf>=x)); /* { dg-bogus "signed and unsigned" "case 18" } */ | |
36 | x > (tf?(tf>=x):64); /* { dg-bogus "signed and unsigned" "case 19" } */ | |
37 | y > (tf?(tf>=x):64); /* { dg-bogus "signed and unsigned" "case 20" } */ | |
38 | ||
39 | x > (tf?64:(tf<=x)); /* { dg-bogus "signed and unsigned" "case 21" } */ | |
40 | y > (tf?64:(tf<=x)); /* { dg-bogus "signed and unsigned" "case 22" } */ | |
41 | x > (tf?(tf<=x):64); /* { dg-bogus "signed and unsigned" "case 23" } */ | |
42 | y > (tf?(tf<=x):64); /* { dg-bogus "signed and unsigned" "case 24" } */ | |
43 | ||
44 | x > (tf?64:(tf&&x)); /* { dg-bogus "signed and unsigned" "case 25" } */ | |
45 | y > (tf?64:(tf&&x)); /* { dg-bogus "signed and unsigned" "case 26" } */ | |
46 | x > (tf?(tf&&x):64); /* { dg-bogus "signed and unsigned" "case 27" } */ | |
47 | y > (tf?(tf&&x):64); /* { dg-bogus "signed and unsigned" "case 28" } */ | |
48 | ||
49 | x > (tf?64:(tf||x)); /* { dg-bogus "signed and unsigned" "case 29" } */ | |
50 | y > (tf?64:(tf||x)); /* { dg-bogus "signed and unsigned" "case 30" } */ | |
51 | x > (tf?(tf||x):64); /* { dg-bogus "signed and unsigned" "case 31" } */ | |
52 | y > (tf?(tf||x):64); /* { dg-bogus "signed and unsigned" "case 32" } */ | |
53 | ||
54 | x > (tf?64:(!tf)); /* { dg-bogus "signed and unsigned" "case 33" } */ | |
55 | y > (tf?64:(!tf)); /* { dg-bogus "signed and unsigned" "case 34" } */ | |
56 | x > (tf?(!tf):64); /* { dg-bogus "signed and unsigned" "case 35" } */ | |
57 | y > (tf?(!tf):64); /* { dg-bogus "signed and unsigned" "case 36" } */ | |
58 | ||
59 | } |