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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-11-10 23:55:56 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-11-10 23:55:56 +0000 |
| commit | e93198af07517b92f276192c974ce3a6006ce998 (patch) | |
| tree | e3fdcf02ff04ca63d5815ef52546b24d796c6310 /lib/CodeGen/InlineSpiller.cpp | |
| parent | 954ffff79bf2f48ac6fd8b4406fe51e3d19440e3 (diff) | |
Hook up AliasAnalysis in InlineSpiller. This is used for rematerializing
constant loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118741 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index f19b1754f7..0e8f302b6a 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -17,6 +17,7 @@ #include "LiveRangeEdit.h" #include "SplitKit.h" #include "VirtRegMap.h" +#include "llvm/Analysis/AliasAnalysis.h" #include "llvm/CodeGen/LiveIntervalAnalysis.h" #include "llvm/CodeGen/LiveStackAnalysis.h" #include "llvm/CodeGen/MachineDominators.h" @@ -47,6 +48,7 @@ class InlineSpiller : public Spiller { LiveStacks &lss_; MachineDominatorTree &mdt_; MachineLoopInfo &loops_; + AliasAnalysis *aa_; VirtRegMap &vrm_; MachineFrameInfo &mfi_; MachineRegisterInfo &mri_; @@ -76,6 +78,7 @@ public: lss_(pass.getAnalysis<LiveStacks>()), mdt_(pass.getAnalysis<MachineDominatorTree>()), loops_(pass.getAnalysis<MachineLoopInfo>()), + aa_(&pass.getAnalysis<AliasAnalysis>()), vrm_(vrm), mfi_(*mf.getFrameInfo()), mri_(mf.getRegInfo()), @@ -219,7 +222,7 @@ bool InlineSpiller::reMaterializeFor(MachineBasicBlock::iterator MI) { /// and trim the live ranges after. void InlineSpiller::reMaterializeAll() { // Do a quick scan of the interval values to find if any are remattable. - if (!edit_->anyRematerializable(lis_, tii_, 0)) + if (!edit_->anyRematerializable(lis_, tii_, aa_)) return; usedValues_.clear(); |