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/ssa-pre-31.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-31.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-31.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-31.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-31.c new file mode 100644 index 000000000..2094de4ca --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-31.c @@ -0,0 +1,47 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre" } */ + +typedef struct { + unsigned int key; +} S; +typedef struct s1 { + unsigned int key; + unsigned int bits; + struct s1 *left, *right; +}S1; +extern S a[1024]; +static inline int bar( S* p, S1* n ) +{ + S1 *curr; + S1 *next; + + if ( n->left == n ) + return (int)(p->key == n->key); + + curr = n; + next = n->left; + + while (curr->bits > next->bits ) { + curr = next; + if (p->key & (1 << curr->bits)) + next = curr->right; + else + next = curr->left; + } + + return (int)(p->key == next->key); + +} + +int foo (S1 *root, int N) +{ + volatile int r; + int i,j; + for (i=0; i<N; i++) + for (j=0;j<1024; j++) + r = bar(&a[j], root); + return 0; +} + +/* { dg-final { scan-tree-dump-times "key" 4 "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |