From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/g++.dg/opt/range-test-1.C | 216 ++++++++++++++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 gcc/testsuite/g++.dg/opt/range-test-1.C (limited to 'gcc/testsuite/g++.dg/opt/range-test-1.C') diff --git a/gcc/testsuite/g++.dg/opt/range-test-1.C b/gcc/testsuite/g++.dg/opt/range-test-1.C new file mode 100644 index 000000000..cc5ba6694 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/range-test-1.C @@ -0,0 +1,216 @@ +// Test fold-const.c (fold_range_test) optimizations. +// { dg-do run } */ +// { dg-options "-O2" } */ + +#ifndef __RANGE_TEST_HDR_INCL +#define __RANGE_TEST_HDR_INCL +/* Protect against fix-header weakness */ +#include +#include +#include +#endif + +#if (INT_MAX == 2147483647) && (INT_MIN == -2147483648) \ + && (SCHAR_MIN == -128) && (SCHAR_MAX == 127) \ + && (UCHAR_MIN == 0) && (UCHAR_MAX == 255) + +#ifndef T + +enum integers +{ + int_smallest = INT_MIN, + int_2ndsmallest = INT_MIN + 1, + int_3rdsmallest = INT_MIN + 2, + int_minus2 = -2, + int_minus1 = -1, + int_zero = 0, + int_one = 1, + int_two = 2, + int_3rdlargest = INT_MAX - 2, + int_2ndlargest = INT_MAX - 1, + int_largest = INT_MAX +}; + +enum smallenum +{ + smalle_minus4 = -4, + smalle_minus3 = -3, + smalle_minus2 = -2, + smalle_minus1 = -1, + smalle_zero = 0, + smalle_one = 1, + smalle_two = 2, + smalle_three = 3 +}; + +enum enum2 +{ + enum2_two = 2, + enum2_three = 3, + enum2_four = 4, + enum2_five = 5 +}; + +enum enum3 +{ + enum3_zero, + enum3_one, + enum3_two, + enum3_three, + enum3_four, + enum3_five, + enum3_six, + enum3_seven +}; + +int var; +void +check () +{ + ++var; +} + +#define T(IDX, TYPE, TEST, YESARR, NOARR) \ +void __attribute__((noinline)) \ +test##IDX (TYPE x) \ +{ \ + if (TEST) \ + check (); \ +} +#include "range-test-1.C" +#undef T + +int +main () +{ + int i, fails = 0; + +#define C , +#define T(IDX, TYPE, TEST, YESARR, NOARR) \ + { \ + static TYPE yesarr##IDX [] = YESARR; \ + static TYPE noarr##IDX [] = NOARR; \ + for (i = 0; i < (int) (sizeof (yesarr##IDX) / sizeof (TYPE)); ++i) \ + { \ + var = 0; \ + test##IDX (yesarr##IDX [i]); \ + if (var != 1) \ + printf ("test" #IDX " failed for yesarr [%u]\n", i), ++fails; \ + } \ + var = 0; \ + for (i = 0; i < (int) (sizeof (noarr##IDX) / sizeof (TYPE)); ++i) \ + { \ + test##IDX (noarr##IDX [i]); \ + if (var != 0) \ + printf ("test" #IDX " failed for noarr [%u]\n", i), ++fails; \ + } \ + } +#include "range-test-1.C" +#undef T + + if (fails) + abort (); + + exit (0); +} + +#else + +/* Use `C' instead of `,' below to separate array entries. */ + +/* These ought to be all optimized into single comparison. */ +T(1, unsigned int, x == 0 || x == 1, + { 0 C 1 }, { -1U C 2 C 12 C 35 C 0x7fffffff C 0x80000000 }) +T(2, unsigned int, x == 0 || x == -1U || x == -2U, + { 0 C -1U C -2U }, { -3U C -6U C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 }) +T(3, unsigned int, x == 0 || x == 1 || x == 2, + { 0 C 1 C 2 }, { -3U C -6U C -1U C -2U C 12 C 35 C 0x7fffffff C 0x80000000 }) +T(4, unsigned int, x == 3 || x == 4 || x == 5 || x == 6, + { 3 C 4 C 5 C 6 }, { -3U C 0 C 1 C 2 C 7 C 8 C 12 C 0x7fffffff C 0x80000000 }) +T(5, unsigned int, x == -3U || x == -4U || x == -5U || x == -6U, + { -3U C -4U C -5U C -6U }, { -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 }) +T(6, unsigned int, x == -3U || x == -4U || x == -5U, + { -3U C -4U C -5U }, { -6U C -7U C -8U C -2U C -1U C 1 C 2 C 0x7fffffff C 0x80000000 }) +T(7, char *, x == (char *) -3UL || x == (char *) -4UL || x == (char *) -5UL, + { (char *) -3UL C (char *) -4UL C (char *) -5UL }, + { (char *) -6UL C (char *) -20UL C (char *) -2UL C (char *) -1UL C (char *) 0 + C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL }) +T(8, unsigned long, x == -2UL || x == -1UL || x == 0, + { 0 C -1UL C -2UL }, { -3UL C -6UL C 1 C 2 C 12 C 35 C 0x7fffffff C 0x80000000 }) +T(9, unsigned long, x >= -4UL || x <= 8, + { -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 }, + { -7UL C -5UL C 9 C 10 C 61 C 127 C 0x7fffffff C 0x80000000 }) +T(10, signed char, x == 0 || x == -1 || x == -2 || x == -3, + { 0 C -1 C -2 C -3 }, { -4 C -5 C 1 C 2 C 3 C 35 C -24 }) +T(11, int, x == 0 || x == 1, + { 0 C 1 }, { -1 C 2 C 12 C 35 C INT_MAX C INT_MIN }) +T(12, int, x == 0 || x == -1 || x == -2, + { 0 C -1 C -2 }, { -3 C -6 C 1 C 2 C 12 C 35 C INT_MAX C INT_MIN }) +T(13, int, x == 0 || x == 1 || x == 2, + { 0 C 1 C 2 }, { -3 C -6 C -1 C -2 C 12 C 35 C INT_MAX C INT_MIN }) +T(14, int, x == 3 || x == 4 || x == 5 || x == 6, + { 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 }) +T(15, int, x == -3 || x == -4 || x == -5 || x == -6, + { -3 C -4 C -5 C -6 }, { -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN }) +T(16, int, x == -3 || x == -4 || x == -5, + { -3 C -4 C -5 }, { -6 C -7 C -8 C -2 C -1 C 1 C 2 C INT_MAX C INT_MIN }) +T(17, unsigned int, (x >= -8U && x <= -3U) || x == -2U || x == -1U || x == 0 || x == 1 || x == 2, + { -8U C -7U C -6U C -5U C -4U C -3U C -2U C -1U C 0 C 1 C 2 }, + { -9U C -10U C 3 C 4 C 12 C -54U C INT_MAX C INT_MIN }) +T(18, int, (x >= -8 && x <= -3) || x == -2 || x == -1 || x == 0 || x == 1 || x == 2, + { -8 C -7 C -6 C -5 C -4 C -3 C -2 C -1 C 0 C 1 C 2 }, + { -9 C -10 C 3 C 4 C 12 C -54 C INT_MAX C INT_MIN }) +T(19, unsigned long, x <= 16 || (x >= 18 && x <= -1UL), + { -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 + C 0x80000000 }, { 17 }) +T(20, char *, x == (char *) -1UL || x == 0, + { (char *) -1UL C 0 }, { (char *) -6UL C (char *) -20UL C (char *) -2UL + C (char *) 1UL C (char *) 35UL C (char *) 0x7fffffffUL C (char *) 0x80000000UL }) +T(21, integers, x == int_zero || x == int_one, + { int_zero C int_one }, { int_minus1 C int_two C int_largest C int_smallest }) +T(22, int, x == INT_MIN || x == INT_MAX, + { INT_MIN C INT_MAX }, + { -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 1 C INT_MIN + 2 }) +T(23, int, x == INT_MIN + 1 || x == INT_MIN + 2 || x == INT_MIN || x == INT_MAX, + { INT_MIN + 1 C INT_MIN + 2 C INT_MIN C INT_MAX }, + { -1 C 0 C 1 C INT_MAX - 1 C INT_MAX - 2 C INT_MIN + 3 C INT_MIN + 4 }) +T(24, signed char, x == SCHAR_MIN || x == SCHAR_MAX, + { SCHAR_MIN C SCHAR_MAX }, + { -1 C 0 C 1 C SCHAR_MAX - 1 C SCHAR_MAX - 2 C SCHAR_MIN + 1 C SCHAR_MIN + 2 }) +T(25, integers, x == int_smallest || x == int_largest, + { int_smallest C int_largest }, { int_minus1 C int_zero C int_one + C int_2ndsmallest C int_2ndlargest C int_3rdsmallest C int_3rdlargest }) + +/* These should be optimized into unconditional jumps. */ +T(o1, unsigned long, x <= 16 || (x >= 17 && x <= -1UL), + { -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 + C 0x80000000 }, { }) +T(o2, unsigned long, x <= -3UL || (x == -2UL || x == -1UL), + { -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 + C 0x80000000 }, { }) + +/* These should be eventually optimized into a single comparison. */ +T(td1, unsigned char, x == 0 || x == 4 || x == 1 || x == 5 || x == 2 || x == 6 || x == 3, + { 0 C 1 C 2 C 3 C 4 C 5 C 6 }, { 7 C 8 C 127 C 128 C 254 C 255 }) + +/* These should not be optimized into a single comparison. */ +T(n1, smallenum, x == smalle_minus4 || x == smalle_three, + { smalle_minus4 C smalle_three }, { smalle_minus3 C smalle_minus2 C smalle_minus1 + C smalle_zero C smalle_one C smalle_two }) +T(n2, enum2, x == enum2_two || x == enum2_five, + { enum2_two C enum2_five }, { enum2_three C enum2_four }) +T(n3, enum3, x == enum3_zero || x == enum3_seven, + { enum3_zero C enum3_seven }, { enum3_one C enum3_two C enum3_three C enum3_four + C enum3_five C enum3_six }) + +#endif + +#else + +int +main (void) +{ + return 0; +} + +#endif -- cgit v1.2.3