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| author | Evan Cheng <evan.cheng@apple.com> | 2008-02-27 03:04:06 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-02-27 03:04:06 +0000 |
| commit | 6d56368cafb5e277842e22247eae8ecc563cb630 (patch) | |
| tree | 907d4efa34819fed76777a42ef6b1dfb0b3fcfdd /llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | 66272a545b899de017d4d7a2dd1f7f734a36e76d (diff) | |
| download | bcm5719-llvm-6d56368cafb5e277842e22247eae8ecc563cb630.tar.gz bcm5719-llvm-6d56368cafb5e277842e22247eae8ecc563cb630.zip | |
Spiller now remove unused spill slots.
llvm-svn: 47657
Diffstat (limited to 'llvm/lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp index 716c3701102..00ba2e770b0 100644 --- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -764,6 +764,9 @@ bool LiveIntervals::tryFoldMemoryOperand(MachineInstr* &MI, MachineInstr *fmi = isSS ? tii_->foldMemoryOperand(*mf_, MI, FoldOps, Slot) : tii_->foldMemoryOperand(*mf_, MI, FoldOps, DefMI); if (fmi) { + // Remember this instruction uses the spill slot. + if (isSS) vrm.addSpillSlotUse(Slot, fmi); + // Attempt to fold the memory reference into the instruction. If // we can do this, we don't need to insert spill code. if (lv_) |
