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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/pr21985.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/pr21985.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21985.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21985.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21985.c new file mode 100644 index 000000000..19ad0f113 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr21985.c @@ -0,0 +1,34 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +struct +{ + struct + { + int a; + int b; + } a[100]; +} a; + +typedef __SIZE_TYPE__ size_t; +void foo(size_t); +size_t *bar (void); + +int +main (void) +{ + size_t *b = bar (); + + /* This should be folded. */ + foo (&a.a[50].a - &a.a[33].b); + foo ((size_t) &a.a[50].b - (size_t) &a); + + /* And this should not. */ + foo ((size_t) &b - (size_t) b); + return 0; +} + +/* Two of the calls to foo should be folded to just foo(constant). */ + +/* { dg-final { scan-tree-dump-times "foo \\(\[0-9\]*\\)" 2 "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |