diff options
author | Chad Rosier <mcrosier@apple.com> | 2013-05-22 23:17:36 +0000 |
---|---|---|
committer | Chad Rosier <mcrosier@apple.com> | 2013-05-22 23:17:36 +0000 |
commit | 62c320a755ac27ac2b7f64e927892249e0f486e0 (patch) | |
tree | 470e68c2515fe82ee0d10c20cf5490d0343de77c /lib/CodeGen/IfConversion.cpp | |
parent | b018bab0b85c7b77ab7111946ea4b82bb6153a5c (diff) | |
download | llvm-62c320a755ac27ac2b7f64e927892249e0f486e0.tar.gz llvm-62c320a755ac27ac2b7f64e927892249e0f486e0.tar.bz2 llvm-62c320a755ac27ac2b7f64e927892249e0f486e0.tar.xz |
Simplify logic now that r182490 is in place. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182531 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/IfConversion.cpp')
-rw-r--r-- | lib/CodeGen/IfConversion.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index 8264d6dbab..f4485d5d9a 100644 --- a/lib/CodeGen/IfConversion.cpp +++ b/lib/CodeGen/IfConversion.cpp @@ -970,8 +970,8 @@ static void InitPredRedefs(MachineBasicBlock *BB, SmallSet<unsigned,4> &Redefs, for (MachineBasicBlock::livein_iterator I = BB->livein_begin(), E = BB->livein_end(); I != E; ++I) { unsigned Reg = *I; - Redefs.insert(Reg); - for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true); + SubRegs.isValid(); ++SubRegs) Redefs.insert(*SubRegs); } } @@ -990,8 +990,8 @@ static void UpdatePredRedefs(MachineInstr *MI, SmallSet<unsigned,4> &Redefs, if (MO.isDef()) Defs.push_back(Reg); else if (MO.isKill()) { - Redefs.erase(Reg); - for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true); + SubRegs.isValid(); ++SubRegs) Redefs.erase(*SubRegs); } } @@ -1362,8 +1362,8 @@ bool IfConverter::IfConvertDiamond(BBInfo &BBI, IfcvtKind Kind, } else if (!RedefsByFalse.count(Reg)) { // These are defined before ctrl flow reach the 'false' instructions. // They cannot be modified by the 'true' instructions. - ExtUses.insert(Reg); - for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true); + SubRegs.isValid(); ++SubRegs) ExtUses.insert(*SubRegs); } } @@ -1371,8 +1371,8 @@ bool IfConverter::IfConvertDiamond(BBInfo &BBI, IfcvtKind Kind, for (unsigned i = 0, e = Defs.size(); i != e; ++i) { unsigned Reg = Defs[i]; if (!ExtUses.count(Reg)) { - RedefsByFalse.insert(Reg); - for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) + for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true); + SubRegs.isValid(); ++SubRegs) RedefsByFalse.insert(*SubRegs); } } |