[PATCH] D12371: Expose hasLiveCondCodeDef as a member function of the X86InstrInfo class. NFC
Kevin B. Smith via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 26 10:41:51 PDT 2015
kbsmith1 created this revision.
kbsmith1 added reviewers: ab, mkuper, spatel.
kbsmith1 added a subscriber: llvm-commits.
This takes the existing static function hasLiveCondCodeDef and makes it a member function of the X86InstrInfo class. This is a useful utility function that an upcoming change would like to use. NFC.
http://reviews.llvm.org/D12371
Files:
lib/Target/X86/X86InstrInfo.cpp
lib/Target/X86/X86InstrInfo.h
Index: lib/Target/X86/X86InstrInfo.cpp
===================================================================
--- lib/Target/X86/X86InstrInfo.cpp
+++ lib/Target/X86/X86InstrInfo.cpp
@@ -2431,7 +2431,7 @@
}
/// True if MI has a condition code def, e.g. EFLAGS, that is not marked dead.
-static bool hasLiveCondCodeDef(MachineInstr *MI) {
+bool X86InstrInfo::hasLiveCondCodeDef(MachineInstr *MI) const {
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI->getOperand(i);
if (MO.isReg() && MO.isDef() &&
Index: lib/Target/X86/X86InstrInfo.h
===================================================================
--- lib/Target/X86/X86InstrInfo.h
+++ lib/Target/X86/X86InstrInfo.h
@@ -401,6 +401,10 @@
bool isSafeToClobberEFLAGS(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
+ /// True if MI has a condition code def, e.g. EFLAGS, that is
+ /// not marked dead.
+ bool hasLiveCondCodeDef(MachineInstr *MI) const;
+
static bool isX86_64ExtendedReg(const MachineOperand &MO) {
if (!MO.isReg()) return false;
return X86II::isX86_64ExtendedReg(MO.getReg());
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