diff options
| 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/loadpre15.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/loadpre15.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c new file mode 100644 index 000000000..b04c7621b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loadpre15.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ +typedef int type[2]; +int foo(type *a, int argc, int t) +{ + type c = {0, 1}; + int d, e; + + /* Should be able to eliminate the second load of *a along the main path. */ + d = (*a)[t]; + if (argc) + { + a = &c; + } + e = (*a)[t]; + return d + e; +} +/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |