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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/loop-26.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/loop-26.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-26.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-26.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-26.c new file mode 100644 index 000000000..f8bc8e010 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/loop-26.c @@ -0,0 +1,29 @@ +/* PR 30730, PR 26900, number of iterations analysis should be able to + determine number of iterations of the following loops unconditionally. */ + +/* { dg-do compile } */ +/* { dg-options "-O2 -fstrict-overflow -fdump-tree-optimized-blocks" } */ + +unsigned foo(unsigned int n) +{ + unsigned x = 0;; + + while (n > 10) + { + n -= 2; + x++; + } + + return x; +} + +int foo0(int i0, int i1) +{ + int i, j = 0; + for (i=i0; i<=i1+1; ++i) + ++j; + return j; +} + +/* { dg-final { scan-tree-dump-times "if" 2 "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |