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| author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
|---|---|---|
| committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
| commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
| tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/tree-ssa-loop-niter.c | |
| parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
| download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip | |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-ssa-loop-niter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/tree-ssa-loop-niter.c b/gcc-4.9/gcc/tree-ssa-loop-niter.c index 62175f344..8fb72b6a5 100644 --- a/gcc-4.9/gcc/tree-ssa-loop-niter.c +++ b/gcc-4.9/gcc/tree-ssa-loop-niter.c @@ -1636,6 +1636,9 @@ expand_simple_operations (tree expr) case PLUS_EXPR: case MINUS_EXPR: + if (TYPE_OVERFLOW_TRAPS (TREE_TYPE (expr))) + return expr; + /* Fallthru. */ case POINTER_PLUS_EXPR: /* And increments and decrements by a constant are simple. */ e1 = gimple_assign_rhs2 (stmt); |