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authorAlexey Samsonov <samsonov@google.com>2014-04-30 22:17:38 +0000
committerAlexey Samsonov <samsonov@google.com>2014-04-30 22:17:38 +0000
commitf74bde67353df69385c266cee3ba310fa0392d90 (patch)
treeb01771b350e1da9149ee2d0e5c95208bd3b1ff8e /llvm/lib/CodeGen/LiveVariables.cpp
parent3282af13d4f991235c43f5837252c546db24f7a8 (diff)
downloadbcm5719-llvm-f74bde67353df69385c266cee3ba310fa0392d90.tar.gz
bcm5719-llvm-f74bde67353df69385c266cee3ba310fa0392d90.zip
Convert more loops to range-based equivalents
llvm-svn: 207714
Diffstat (limited to 'llvm/lib/CodeGen/LiveVariables.cpp')
-rw-r--r--llvm/lib/CodeGen/LiveVariables.cpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index b372ce030f9..758b2163ff4 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -702,12 +702,14 @@ void LiveVariables::removeVirtualRegistersKilled(MachineInstr *MI) {
///
void LiveVariables::analyzePHINodes(const MachineFunction& Fn) {
for (const auto &MBB : Fn)
- for (MachineBasicBlock::const_iterator BBI = MBB.begin(), BBE = MBB.end();
- BBI != BBE && BBI->isPHI(); ++BBI)
- for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2)
- if (BBI->getOperand(i).readsReg())
- PHIVarInfo[BBI->getOperand(i + 1).getMBB()->getNumber()]
- .push_back(BBI->getOperand(i).getReg());
+ for (const auto &BBI : MBB) {
+ if (!BBI.isPHI())
+ break;
+ for (unsigned i = 1, e = BBI.getNumOperands(); i != e; i += 2)
+ if (BBI.getOperand(i).readsReg())
+ PHIVarInfo[BBI.getOperand(i + 1).getMBB()->getNumber()]
+ .push_back(BBI.getOperand(i).getReg());
+ }
}
bool LiveVariables::VarInfo::isLiveIn(const MachineBasicBlock &MBB,
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