diff options
| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-08-20 06:25:10 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-08-20 06:25:10 +0000 |
| commit | b45b214a5b6e3452a6984f4589eec7fbb196daea (patch) | |
| tree | 0b39e1aa3dc0b1f1cd32d8d2529a42ca517dc25b /gcc/tree-ssa-ccp.c | |
| parent | 6d69d407a875cb3bbbfbc49d06df935c668f6f5c (diff) | |
| download | gcc-b45b214a5b6e3452a6984f4589eec7fbb196daea.tar.gz | |
* tree-ssa-ccp.c (get_default_value): Remove redundant condition
checks.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@201870 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 6472f484e33..78687f7fac8 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -258,12 +258,7 @@ get_default_value (tree var) val.mask = double_int_minus_one; } } - else if (is_gimple_assign (stmt) - /* Value-returning GIMPLE_CALL statements assign to - a variable, and are treated similarly to GIMPLE_ASSIGN. */ - || (is_gimple_call (stmt) - && gimple_call_lhs (stmt) != NULL_TREE) - || gimple_code (stmt) == GIMPLE_PHI) + else if (is_gimple_assign (stmt)) { tree cst; if (gimple_assign_single_p (stmt) @@ -274,9 +269,19 @@ get_default_value (tree var) val.value = cst; } else - /* Any other variable defined by an assignment or a PHI node - is considered UNDEFINED. */ - val.lattice_val = UNDEFINED; + { + /* Any other variable defined by an assignment is considered + UNDEFINED. */ + val.lattice_val = UNDEFINED; + } + } + else if ((is_gimple_call (stmt) + && gimple_call_lhs (stmt) != NULL_TREE) + || gimple_code (stmt) == GIMPLE_PHI) + { + /* A variable defined by a call or a PHI node is considered + UNDEFINED. */ + val.lattice_val = UNDEFINED; } else { |