diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-10-23 09:16:46 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-10-23 09:16:46 +0000 |
| commit | 5c98ac9060e2aa7bcdc28884f10627b2a86cc092 (patch) | |
| tree | dd933f1854a322fbaad326608964432f168dfff2 /gcc/gimplify.c | |
| parent | 4eda83c5bbc632985864f1e110098b141c88be05 (diff) | |
| download | gcc-5c98ac9060e2aa7bcdc28884f10627b2a86cc092.tar.gz | |
PR middle-end/17793
* gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
through the operand if it is a useless type conversion.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89488 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 51a123f325f..3d8ecdfd98e 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -3093,6 +3093,13 @@ gimplify_addr_expr (tree *expr_p, tree *pre_p, tree *post_p) ??? The interactions of VIEW_CONVERT_EXPR and aliasing is not at all clear. The impact of this transformation is even less clear. */ + + /* If the operand is a useless conversion, look through it. Doing so + guarantees that the ADDR_EXPR and its operand will remain of the + same type. */ + if (tree_ssa_useless_type_conversion (TREE_OPERAND (op0, 0))) + op0 = TREE_OPERAND (op0, 0); + *expr_p = fold_convert (TREE_TYPE (expr), build_fold_addr_expr (TREE_OPERAND (op0, 0))); ret = GS_OK; |