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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/minmax-1.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/minmax-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/minmax-1.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/minmax-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/minmax-1.c new file mode 100644 index 000000000..e279c0e20 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/minmax-1.c @@ -0,0 +1,83 @@ +/* { dg-do run } */ +/* { dg-options "-fdump-tree-original" } */ + +/* Check that MIN-MAX and MAX-MIN combinations are folded. */ + +extern void abort (void); + +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#define MAX(a,b) ((a) > (b) ? (a) : (b)) + +int f1(int a, int b) +{ + return MIN (MAX (a, b), b); /* == b */ +} + +int f2(int a, int b) +{ + return MAX (MIN (a, b), b); /* == b */ +} + +int f3(int a, int b) +{ + return MIN (MAX (b, a), b); /* == b */ +} + +int f4(int a, int b) +{ + return MAX (MIN (b, a), b); /* == b */ +} + + +int g1(int a, int b) +{ + return MIN (a, MAX (a, b)); /* == a */ +} + +int g2(int a, int b) +{ + return MAX (a, MIN (a, b)); /* == a */ +} + +int g3(int a, int b) +{ + return MIN (a, MAX (b, a)); /* == a */ +} + +int g4(int a, int b) +{ + return MAX (a, MIN (b, a)); /* == a */ +} + +int main(void) +{ + if (f1 (1, 2) != 2) + abort (); + + if (f2 (1, 2) != 2) + abort (); + + if (f3 (1, 2) != 2) + abort (); + + if (f4 (1, 2) != 2) + abort (); + + if (g1 (1, 2) != 1) + abort (); + + if (g2 (1, 2) != 1) + abort (); + + if (g3 (1, 2) != 1) + abort (); + + if (g4 (1, 2) != 1) + abort (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "MIN_EXPR" 0 "original"} } */ +/* { dg-final { scan-tree-dump-times "MAX_EXPR" 0 "original"} } */ +/* { dg-final { cleanup-tree-dump "original" } } */ |