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Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index cd446ee..a838ce9 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -879,6 +879,10 @@ ccp_fold (tree stmt) op0 = get_value (op0, true)->value; } + if ((code == NOP_EXPR || code == CONVERT_EXPR) + && tree_ssa_useless_type_conversion_1 (TREE_TYPE (rhs), + TREE_TYPE (op0))) + return op0; return fold_unary (code, TREE_TYPE (rhs), op0); } |