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X86: Move a non-null assert to before the pointer is dereferenced

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285975 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2016-11-03 23:55:36 +00:00
parent ba7c327ede
commit 0425b29d7b
1 changed files with 2 additions and 1 deletions
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3
lib/Target/X86/X86RegisterInfo.cpp
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@ -264,13 +264,14 @@ X86RegisterInfo::getRegPressureLimit(const TargetRegisterClass *RC,
const MCPhysReg *
X86RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
assert(MF && "MachineFunction required");
const X86Subtarget &Subtarget = MF->getSubtarget<X86Subtarget>();
bool HasSSE = Subtarget.hasSSE1();
bool HasAVX = Subtarget.hasAVX();
bool HasAVX512 = Subtarget.hasAVX512();
bool CallsEHReturn = MF->getMMI().callsEHReturn();
assert(MF && "MachineFunction required");
switch (MF->getFunction()->getCallingConv()) {
case CallingConv::GHC:
case CallingConv::HiPE: