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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-02-04 00:59:23 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-02-04 00:59:23 +0000 |
| commit | 9ecd1e71973f555cab00ee862b6f509d0126025a (patch) | |
| tree | 9ed8e748081b3574867ee18ccffadafe1174db81 /lib | |
| parent | 45139874a776f4fad581fc3ef81ab77b34b4f593 (diff) | |
| download | external_llvm-9ecd1e71973f555cab00ee862b6f509d0126025a.zip external_llvm-9ecd1e71973f555cab00ee862b6f509d0126025a.tar.gz external_llvm-9ecd1e71973f555cab00ee862b6f509d0126025a.tar.bz2 | |
Skip unused values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124842 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SplitKit.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index 3ffb079..e4a82ad 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/lib/CodeGen/SplitKit.cpp @@ -948,6 +948,8 @@ void SplitEditor::finish() { for (LiveInterval::const_vni_iterator I = Edit.getParent().vni_begin(), E = Edit.getParent().vni_end(); I != E; ++I) { const VNInfo *ParentVNI = *I; + if (ParentVNI->isUnused()) + continue; LiveIntervalMap &LIM = LIMappers[RegAssign.lookup(ParentVNI->def)]; VNInfo *VNI = LIM.defValue(ParentVNI, ParentVNI->def); LIM.getLI()->addRange(LiveRange(ParentVNI->def, @@ -976,7 +978,7 @@ void SplitEditor::finish() { for (LiveInterval::const_vni_iterator I = Edit.getParent().vni_begin(), E = Edit.getParent().vni_end(); I != E; ++I) { const VNInfo *PHIVNI = *I; - if (!PHIVNI->isPHIDef()) + if (PHIVNI->isUnused() || !PHIVNI->isPHIDef()) continue; unsigned RegIdx = RegAssign.lookup(PHIVNI->def); LiveIntervalMap &LIM = LIMappers[RegIdx]; |