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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-21 13:14:02 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-21 13:14:02 +0000 |
| commit | ad78532f86b1d897c3e91695947d105bb6bc45ab (patch) | |
| tree | 9be13a35411c4736c5d5aaa5999fe92678e322c0 /gcc/tree-ssa-ccp.c | |
| parent | ea110a711159abb56b8f4906870cf674f4dde82b (diff) | |
| download | gcc-ad78532f86b1d897c3e91695947d105bb6bc45ab.tar.gz | |
PR tree-optimization/24653
* tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107304 138bc75d-0d04-0410-961f-82ee72b054a4
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 cd446ee63e0..a838ce925cd 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); } |