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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [const-elim-1.c] - Rev 329
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/* Verify that constants in memory, referenced only by dead code, are not emitted to the object file. FIXME: Not presently possible to apply -pedantic to code with complex constants in it. The __extension__ should shut up the warning but doesn't. (Hard to fix -- the lexer is not aware of the parser's state.) */ /* { dg-do compile } */ /* { dg-options "-O2 -std=c99" } */ /* { dg-final { scan-assembler-not "L\\\$?C\[^A-Z\]" } } */ #define I (__extension__ 1.0iF) struct S { int a; double b[2]; void *c; }; extern void use_str(const char *); extern void use_S(const struct S *); extern void use_cplx(__complex__ double); static inline int returns_23(void) { return 23; } void test1(void) { if (returns_23() == 23) return; use_str("waltz, nymph, for quick jigs vex bud"); use_S(&(const struct S){12, {3.1415, 2.1828}, 0 }); use_cplx(3.1415 + 2.1828*I); } void test2(void) { const char *str = "pack my box with five dozen liquor jugs"; const struct S S = { 23, { 1.414, 1.618 }, 0 }; const __complex__ double cplx = 1.414 + 1.618*I; if (returns_23() == 23) return; use_str(str); use_S(&S); use_cplx(cplx); }
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