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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr27671-1.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.c-torture/execute/pr27671-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr27671-1.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr27671-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr27671-1.c new file mode 100644 index 000000000..dd2982cc8 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr27671-1.c @@ -0,0 +1,21 @@ +/* PR rtl-optimization/27671. + The combiner used to simplify "a ^ b == a" to "a" via + simplify_relational_operation_1 in simplify-rtx.c. */ + +extern void abort (void) __attribute__ ((noreturn)); +extern void exit (int) __attribute__ ((noreturn)); + +static int __attribute__((noinline)) +foo (int a, int b) +{ + int c = a ^ b; + if (c == a) + abort (); +} + +int +main (void) +{ + foo (0, 1); + exit (0); +} |