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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/ssa-pre-20.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/ssa-pre-20.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-20.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-20.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-20.c new file mode 100644 index 000000000..6361b679c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-20.c @@ -0,0 +1,35 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ + +double pcheck; + +void foo(int n, int m, int b) +{ + int i, j; + + goto bb18; + +start: + i = 1; + do { + j = 1; + do { + double x = pcheck; + x = x + 1; + pcheck = x; + j = j + 1; + } while (j != m); + i = i + 1; + } while (i != n); + +bb18: + pcheck = 0.0; + goto start; +} + +/* We should have inserted two PHI nodes and the one in the i-loop + should have 0.0 in the argument coming from the bb18 block. */ + +/* { dg-final { scan-tree-dump "New PHIs: 2" "pre" } } */ +/* { dg-final { scan-tree-dump "PHI <.*0\\\.0" "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |