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jeremybenn |
/* Test fold-const.c (fold_range_test) optimizations. */
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/* { dg-do run } */
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/* { dg-options "-O2" } */
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#include <stdlib.h>
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#include <stdio.h>
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#include <limits.h>
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#if (INT_MAX == 2147483647) && (INT_MIN == -2147483648) \
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&& (SCHAR_MIN == -128) && (SCHAR_MAX == 127) \
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&& (UCHAR_MIN == 0) && (UCHAR_MAX == 255)
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#ifndef T
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enum integers
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{
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int_smallest = INT_MIN,
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int_2ndsmallest = INT_MIN + 1,
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int_3rdsmallest = INT_MIN + 2,
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int_minus2 = -2,
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int_minus1 = -1,
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int_zero = 0,
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int_one = 1,
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int_two = 2,
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int_3rdlargest = INT_MAX - 2,
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int_2ndlargest = INT_MAX - 1,
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int_largest = INT_MAX
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};
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int var;
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void
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check (void)
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{
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++var;
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}
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#define T(IDX, TYPE, TEST, YESARR, NOARR) \
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void __attribute__((noinline)) \
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test##IDX (TYPE x) \
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{ \
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if (TEST) \
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check (); \
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}
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#include "range-test-1.c"
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#undef T
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int
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main (void)
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{
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int i, fails = 0;
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#define C ,
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#define T(IDX, TYPE, TEST, YESARR, NOARR) \
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{ \
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static TYPE yesarr##IDX [] = YESARR; \
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static TYPE noarr##IDX [] = NOARR; \
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for (i = 0; i < (int) (sizeof (yesarr##IDX) / sizeof (TYPE)); ++i) \
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{ \
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var = 0; \
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test##IDX (yesarr##IDX [i]); \
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if (var != 1) \
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printf ("test" #IDX " failed for yesarr [%u]\n", i), ++fails; \
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} \
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var = 0; \
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for (i = 0; i < (int) (sizeof (noarr##IDX) / sizeof (TYPE)); ++i) \
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{ \
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test##IDX (noarr##IDX [i]); \
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if (var != 0) \
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printf ("test" #IDX " failed for noarr [%u]\n", i), ++fails; \
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} \
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}
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#include "range-test-1.c"
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#undef T
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if (fails)
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abort ();
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exit (0);
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}
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#else
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/* Use `C' instead of `,' below to separate array entries. */
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/* These ought to be all optimized into single comparison. */
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T(1, unsigned int, x == 0 || x == 1,
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{ 0 C 1 }, { -1U C 2 C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(2, unsigned int, x == 0 || x == -1U || x == -2U,
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{ 0 C -1U C -2U }, { -3U C -6U C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(3, unsigned int, x == 0 || x == 1 || x == 2,
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{ 0 C 1 C 2 }, { -3U C -6U C -1U C -2U C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(4, unsigned int, x == 3 || x == 4 || x == 5 || x == 6,
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{ 3 C 4 C 5 C 6 }, { -3U C 0 C 1 C 2 C 7 C 8 C 12 C 0x7fffffff C 0x80000000 })
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T(5, unsigned int, x == -3U || x == -4U || x == -5U || x == -6U,
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{ -3U C -4U C -5U C -6U }, { -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 })
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T(6, unsigned int, x == -3U || x == -4U || x == -5U,
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{ -3U C -4U C -5U }, { -6U C -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 })
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T(7, char *, x == (char *) -3UL || x == (char *) -4UL || x == (char *) -5UL,
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{ (char *) -3UL C (char *) -4UL C (char *) -5UL },
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{ (char *) -6UL C (char *) -20UL C (char *) -2UL C (char *) -1UL C (char *) 0
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C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL })
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T(8, unsigned long, x == -2UL || x == -1UL || x == 0,
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{ 0 C -1UL C -2UL }, { -3UL C -6UL C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 })
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T(9, unsigned long, x >= -4UL || x <= 8,
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{ -4UL C -3UL C -2UL C -1UL C 0 C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 },
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{ -7UL C -5UL C 9 C 10 C 61 C 127 C 0x7fffffff C 0x80000000 })
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T(10, signed char, x == 0 || x == -1 || x == -2 || x == -3,
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{ 0 C -1 C -2 C -3 }, { -4 C -5 C 1 C 2 C 3 C 35 C -24 })
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T(11, int, x == 0 || x == 1,
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{ 0 C 1 }, { -1 C 2 C 12 C 35 C INT_MAX C INT_MIN })
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T(12, int, x == 0 || x == -1 || x == -2,
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{ 0 C -1 C -2 }, { -3 C -6 C 1 C 2 C 12 C 35 C INT_MAX C INT_MIN })
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T(13, int, x == 0 || x == 1 || x == 2,
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{ 0 C 1 C 2 }, { -3 C -6 C -1 C -2 C 12 C 35 C INT_MAX C INT_MIN })
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T(14, int, x == 3 || x == 4 || x == 5 || x == 6,
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{ 3 C 4 C 5 C 6 }, { -3 C 0 C 1 C 2 C 7 C 8 C 12 C INT_MAX C INT_MIN })
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T(15, int, x == -3 || x == -4 || x == -5 || x == -6,
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{ -3 C -4 C -5 C -6 }, { -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN })
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T(16, int, x == -3 || x == -4 || x == -5,
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{ -3 C -4 C -5 }, { -6 C -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN })
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T(17, unsigned int, (x >= -8U && x <= -3U) || x == -2U || x == -1U || x == 0 || x == 1 || x == 2,
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{ -8U C -7U C -6U C -5U C -4U C -3U C -2U C -1U C 0 C 1 C 2 },
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{ -9U C -10U C 3 C 4 C 12 C -54U C INT_MAX C INT_MIN })
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T(18, int, (x >= -8 && x <= -3) || x == -2 || x == -1 || x == 0 || x == 1 || x == 2,
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{ -8 C -7 C -6 C -5 C -4 C -3 C -2 C -1 C 0 C 1 C 2 },
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{ -9 C -10 C 3 C 4 C 12 C -54 C INT_MAX C INT_MIN })
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T(19, unsigned long, (x >= 0 && x <= 16) || (x >= 18 && x <= -1UL),
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{ -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 18 C 19 C 35 C 0x7fffffff
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C 0x80000000 }, { 17 })
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T(20, char *, x == (char *) -1UL || x == 0,
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{ (char *) -1UL C 0 }, { (char *) -6UL C (char *) -20UL C (char *) -2UL
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C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL })
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T(21, enum integers, x == int_zero || x == int_one,
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{ int_zero C int_one }, { int_minus1 C int_two C 12 C 35 C int_largest C int_smallest })
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T(22, int, x == INT_MIN || x == INT_MAX,
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{ INT_MIN C INT_MAX },
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{ -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 1 C INT_MIN + 2 })
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T(23, int, x == INT_MIN + 1 || x == INT_MIN + 2 || x == INT_MIN || x == INT_MAX,
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{ INT_MIN + 1 C INT_MIN + 2 C INT_MIN C INT_MAX },
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{ -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 3 C INT_MIN + 4 })
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T(24, signed char, x == SCHAR_MIN || x == SCHAR_MAX,
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{ SCHAR_MIN C SCHAR_MAX },
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{ -1 C 0 C 1 C SCHAR_MAX - 1 C SCHAR_MAX - 2 C SCHAR_MIN + 1 C SCHAR_MIN + 2 })
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T(25, enum integers, x == int_smallest || x == int_largest,
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{ int_smallest C int_largest }, { int_minus1 C int_zero C int_one
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C int_2ndsmallest C int_2ndlargest C int_3rdsmallest C int_3rdlargest })
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/* This should be optimized into unconditional jump. */
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T(o1, unsigned long, (x >= 0 && x <= 16) || (x >= 17 && x <= -1UL),
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{ -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 17 C 18 C 19 C 35 C 0x7fffffff
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C 0x80000000 }, { })
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T(o2, unsigned long, (x >= 0 && x <= -3UL) || (x == -2UL || x == -1UL),
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{ -3UL C -6UL C -1UL C 0 C 1 C 2 C 12 C 15 C 16 C 17 C 18 C 19 C 35 C 0x7fffffff
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C 0x80000000 }, { })
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/* This should be eventually optimized into a single comparison. */
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T(td1, unsigned char, x == 0 || x == 4 || x == 1 || x == 5 || x == 2 || x == 6 || x == 3,
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{ 0 C 1 C 2 C 3 C 4 C 5 C 6 }, { 7 C 8 C 127 C 128 C 254 C 255 })
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#endif
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#else
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int
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main (void)
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{
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return 0;
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}
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#endif
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