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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.dg/tree-ssa/pr25501.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/tree-ssa/pr25501.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25501.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25501.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25501.c new file mode 100644 index 000000000..1fb2c7eba --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25501.c @@ -0,0 +1,36 @@ +/* PR tree-optimization/25501 + The PHI merge pass used to try to merge PHI nodes that cannot + actually merged, causing a segfault later. Make sure that does not + happen any more. */ + +/* { dg-options "-O1 -fdump-tree-mergephi1" } */ + +int +foo (int a) +{ + int b; + int c; + int d; + + if (a == 2) + b = 3; + else + b = 5; + + c = 7; + + d = 11; + + for (;;) + { + if (d == 5) + break; + + d = b; + } + + return 13; +} + +/* { dg-final { scan-tree-dump-times "Removing basic block" 0 "mergephi1"} } */ +/* { dg-final { cleanup-tree-dump "mergephi1" } } */ |