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| author | Jim Grosbach <grosbach@apple.com> | 2010-06-16 18:45:08 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-06-16 18:45:08 +0000 |
| commit | 956352eb4682ba7000486d8712a4435a843a48d4 (patch) | |
| tree | 1c2ee8f74baaf4a53f949af3bfde2a4f3a014df0 /lib | |
| parent | 0f800a6eb86c0a8584ee2e1db062f11c68cdc820 (diff) | |
| download | llvm-956352eb4682ba7000486d8712a4435a843a48d4.tar.gz llvm-956352eb4682ba7000486d8712a4435a843a48d4.tar.bz2 llvm-956352eb4682ba7000486d8712a4435a843a48d4.tar.xz | |
add FIXME
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106126 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SjLjEHPrepare.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/SjLjEHPrepare.cpp b/lib/CodeGen/SjLjEHPrepare.cpp index a002ef8a62..9aa2b69f65 100644 --- a/lib/CodeGen/SjLjEHPrepare.cpp +++ b/lib/CodeGen/SjLjEHPrepare.cpp @@ -289,6 +289,9 @@ splitLiveRangesAcrossInvokes(SmallVector<InvokeInst*,16> &Invokes) { } // If we decided we need a spill, do it. + // FIXME: Spilling this way is overkill, as it forces all uses of + // the value to be reloaded from the stack slot, even those that aren't + // in the unwind blocks. We should be more selective. if (NeedsSpill) { ++NumSpilled; DemoteRegToStack(*Inst, true); |