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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-02-17 19:07:56 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-02-17 19:07:56 +0000 |
| commit | d9f0ff56a1878347fe5a0f162ef8c2ef2b63aeb5 (patch) | |
| tree | 75dda73c9862f8c73eb74083958cc2e11be718f3 /lib/CodeGen/RegAllocFast.cpp | |
| parent | dbe266be35cfee0fbda5523ac578fef81e8fdfcc (diff) | |
| download | llvm-d9f0ff56a1878347fe5a0f162ef8c2ef2b63aeb5.tar.gz llvm-d9f0ff56a1878347fe5a0f162ef8c2ef2b63aeb5.tar.bz2 llvm-d9f0ff56a1878347fe5a0f162ef8c2ef2b63aeb5.tar.xz | |
Transfer regmasks to MRI.
MRI keeps track of which physregs have been used. Make sure it gets
updated with all the regmask-clobbered registers.
Delete the closePhysRegsUsed() function which isn't necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150830 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocFast.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 4724ca2f92..6d7b5f4b65 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -1097,9 +1097,6 @@ bool RAFast::runOnMachineFunction(MachineFunction &Fn) { AllocateBasicBlock(); } - // Make sure the set of used physregs is closed under subreg operations. - MRI->closePhysRegsUsed(*TRI); - // Add the clobber lists for all the instructions we skipped earlier. for (SmallPtrSet<const MCInstrDesc*, 4>::const_iterator I = SkippedInstrs.begin(), E = SkippedInstrs.end(); I != E; ++I) |