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annotate gcc/testsuite/gcc.dg/tree-ssa/pr81741.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2 -w -fdump-tree-dom2-details" } */
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3
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4 #include <string.h>
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5
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6 typedef struct string_s {
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7 unsigned long size, alloc;
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8 char *ptr;
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9 } string_t[1];
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10
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11 # define M_ASSUME(x) \
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12 (! __builtin_constant_p (!!(x) || !(x)) || (x) ? \
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13 (void) 0 : __builtin_unreachable())
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14
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15 int f(string_t s)
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16 {
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17 M_ASSUME(strlen(s->ptr) == s->size);
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18 return s->size;
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19 }
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20
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21 /* { dg-final { scan-assembler-not "strlen" } } */
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22