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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-14 18:45:35 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-14 18:45:35 +0000 |
| commit | 27982e110817e373ed85064eb844bbaec0fe6771 (patch) | |
| tree | 1c972fd0cf0b91dfd0729ac1d27aad9fcb82c643 /lib/CodeGen/InlineSpiller.cpp | |
| parent | c8981f2e3d6237742714883256cd778acf0eeebe (diff) | |
Account for early-clobber reload instructions.
No test case, there are no in-tree targets that require this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160219 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index 4c7f5d8c88..07e37af57f 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -1081,6 +1081,10 @@ void InlineSpiller::insertReload(LiveInterval &NewLI, MRI.getRegClass(NewLI.reg), &TRI); --MI; // Point to load instruction. SlotIndex LoadIdx = LIS.InsertMachineInstrInMaps(MI).getRegSlot(); + // Some (out-of-tree) targets have EC reload instructions. + if (MachineOperand *MO = MI->findRegisterDefOperand(NewLI.reg)) + if (MO->isEarlyClobber()) + LoadIdx = LoadIdx.getRegSlot(true); DEBUG(dbgs() << "\treload: " << LoadIdx << '\t' << *MI); VNInfo *LoadVNI = NewLI.getNextValue(LoadIdx, LIS.getVNInfoAllocator()); NewLI.addRange(LiveRange(LoadIdx, Idx, LoadVNI)); |