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author | Chris Lattner <sabre@nondot.org> | 2009-10-21 01:10:37 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-10-21 01:10:37 +0000 |
commit | 7d26443bb7998169f6a7f6953dbe4d461907872f (patch) | |
tree | ac43d397a09f6b9e3fcc4d9c6e8200d132fba30e /lib/Target/README.txt | |
parent | ce1379f72cd60b503f629f734ccf3372707b9ee4 (diff) | |
download | llvm-7d26443bb7998169f6a7f6953dbe4d461907872f.tar.gz llvm-7d26443bb7998169f6a7f6953dbe4d461907872f.tar.bz2 llvm-7d26443bb7998169f6a7f6953dbe4d461907872f.tar.xz |
IPSCCP is missing stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84725 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/README.txt')
-rw-r--r-- | lib/Target/README.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 89ea9d0afc..aec8fd0505 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -1644,3 +1644,10 @@ Instcombine should be able to optimize away the loads (and thus the globals). See also PR4973 //===---------------------------------------------------------------------===// + +IPSCCP is propagating elements of first class aggregates, but is not propagating +the entire aggregate itself. This leads it to miss opportunities, for example +in test/Transforms/SCCP/ipsccp-basic.ll:test5b. + +//===---------------------------------------------------------------------===// + |