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author | Evan Cheng <evan.cheng@apple.com> | 2011-12-14 02:11:42 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2011-12-14 02:11:42 +0000 |
commit | ddfd1377d2e4154d44dc3ad217735adc15af2e3f (patch) | |
tree | f54f0541252d33b4b1d7282a033bd5d906471d69 /lib/Target/ARM/Thumb2ITBlockPass.cpp | |
parent | 8f644259dc519d3ac7159e4e662fcd6bcf50cbaf (diff) | |
download | llvm-ddfd1377d2e4154d44dc3ad217735adc15af2e3f.tar.gz llvm-ddfd1377d2e4154d44dc3ad217735adc15af2e3f.tar.bz2 llvm-ddfd1377d2e4154d44dc3ad217735adc15af2e3f.tar.xz |
- Add MachineInstrBundle.h and MachineInstrBundle.cpp. This includes a function
to finalize MI bundles (i.e. add BUNDLE instruction and computing register def
and use lists of the BUNDLE instruction) and a pass to unpack bundles.
- Teach more of MachineBasic and MachineInstr methods to be bundle aware.
- Switch Thumb2 IT block to MI bundles and delete the hazard recognizer hack to
prevent IT blocks from being broken apart.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146542 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Thumb2ITBlockPass.cpp')
-rw-r--r-- | lib/Target/ARM/Thumb2ITBlockPass.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/Thumb2ITBlockPass.cpp b/lib/Target/ARM/Thumb2ITBlockPass.cpp index d1acb6f83f..55b4d30759 100644 --- a/lib/Target/ARM/Thumb2ITBlockPass.cpp +++ b/lib/Target/ARM/Thumb2ITBlockPass.cpp @@ -13,6 +13,7 @@ #include "Thumb2InstrInfo.h" #include "llvm/CodeGen/MachineInstr.h" #include "llvm/CodeGen/MachineInstrBuilder.h" +#include "llvm/CodeGen/MachineInstrBundle.h" #include "llvm/CodeGen/MachineFunctionPass.h" #include "llvm/ADT/SmallSet.h" #include "llvm/ADT/Statistic.h" @@ -237,6 +238,9 @@ bool Thumb2ITBlockPass::InsertITInstructions(MachineBasicBlock &MBB) { // Last instruction in IT block kills ITSTATE. LastITMI->findRegisterUseOperand(ARM::ITSTATE)->setIsKill(); + // Finalize the bundle. + FinalizeBundle(MBB, InsertPos.getInstrIterator(), LastITMI); + Modified = true; ++NumITs; } |