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| author | Torok Edwin <edwintorok@gmail.com> | 2009-01-24 19:30:25 +0000 |
|---|---|---|
| committer | Torok Edwin <edwintorok@gmail.com> | 2009-01-24 19:30:25 +0000 |
| commit | e46a686dc237735831cd4ce410a8cbe396ec08ab (patch) | |
| tree | 3aace4cb601df6c0246646528b609ac4284f35d6 /lib/Target/README.txt | |
| parent | 54e853a779d56b6ca2d9bb407bcc046575aeedb3 (diff) | |
| download | llvm-e46a686dc237735831cd4ce410a8cbe396ec08ab.tar.gz llvm-e46a686dc237735831cd4ce410a8cbe396ec08ab.tar.bz2 llvm-e46a686dc237735831cd4ce410a8cbe396ec08ab.tar.xz | |
add note about possible GEP improvement with fields of size 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62925 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/README.txt')
| -rw-r--r-- | lib/Target/README.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index c679fd83c0..78dcb12581 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -1683,3 +1683,9 @@ Always foldable for odd constants, what is the rule for even? //===---------------------------------------------------------------------===// +PR 3381: GEP to field of size 0 inside a struct could be turned into GEP +for next field in struct (which is at same address). + +For example: store of float into { {{}}, float } could be turned into a store to +the float directly. + |