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111
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1 /* Checks for a bug where static data with a section attribute within a
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2 function would stop the function being partitioned into hot and cold
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3 blocks. */
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4 /* { dg-require-effective-target freorder } */
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5 /* { dg-options "-O2 -fno-profile-reorder-functions -freorder-blocks-and-partition -save-temps" } */
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6
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7 #define SIZE 10000
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8
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9 #define NOINLINE __attribute__((noinline)) __attribute__ ((noclone))
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10
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11 const char *sarr[SIZE];
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131
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12 #ifdef __APPLE__
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13 const char *buf_hot __attribute__ ((section ("__DATA,__data")));
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14 #else
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111
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15 const char *buf_hot __attribute__ ((section (".data")));
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131
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16 #endif
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111
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17 const char *buf_cold;
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18
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19 void foo (int path);
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20
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21 int
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22 main (int argc, char *argv[])
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23 {
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24 int i;
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25 buf_hot = "hello";
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26 buf_cold = "world";
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27 for (i = 0; i < 1000000; i++)
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28 foo (argc);
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29 return 0;
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30 }
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31
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32
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33 void NOINLINE
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34 foo (int path)
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35 {
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36 int i;
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37 if (path)
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38 {
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39 for (i = 0; i < SIZE; i++)
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40 sarr[i] = buf_hot;
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41 }
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42 else
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43 {
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44 for (i = 0; i < SIZE; i++)
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45 sarr[i] = buf_cold;
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46 }
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47 }
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48
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49 /* { dg-final-use { scan-assembler "\.section\[\t \]*\.text\.unlikely\[\\n\\r\]+\[\t \]*\.size\[\t \]*foo\.cold\.0" { target *-*-linux* *-*-gnu* } } } */
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131
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50 /* { dg-final-use { scan-assembler "\.section\[\t \]*__TEXT,__text_cold\.\*\[\\n\\r\]+_foo\.cold\.0:" { target *-*-darwin* } } } */
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