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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-02-02 23:52:57 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-02-02 23:52:57 +0000 |
| commit | 478a8a02bc0f2e739ed8f4240152e99837e480b9 (patch) | |
| tree | 47ab92f4d7d9d548d79b78837040b3da3ccba482 /lib/CodeGen/MachineLICM.cpp | |
| parent | 2e5b88e3cbb9438b5b9d3a1dc499b11a144ca7d2 (diff) | |
| download | llvm-478a8a02bc0f2e739ed8f4240152e99837e480b9.tar.gz llvm-478a8a02bc0f2e739ed8f4240152e99837e480b9.tar.bz2 llvm-478a8a02bc0f2e739ed8f4240152e99837e480b9.tar.xz | |
Require non-NULL register masks.
It doesn't seem worthwhile to give meaning to a NULL register mask
pointer. It complicates all the code using register mask operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149646 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineLICM.cpp')
| -rw-r--r-- | lib/CodeGen/MachineLICM.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp index 49a109e252..9b058c3416 100644 --- a/lib/CodeGen/MachineLICM.cpp +++ b/lib/CodeGen/MachineLICM.cpp @@ -417,10 +417,7 @@ void MachineLICM::ProcessMI(MachineInstr *MI, // We can't hoist an instruction defining a physreg that is clobbered in // the loop. if (MO.isRegMask()) { - if (const uint32_t *Mask = MO.getRegMask()) - PhysRegClobbers.setBitsNotInMask(Mask); - else - PhysRegClobbers.set(); + PhysRegClobbers.setBitsNotInMask(MO.getRegMask()); continue; } |