diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86VZeroUpper.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86VZeroUpper.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86VZeroUpper.cpp b/llvm/lib/Target/X86/X86VZeroUpper.cpp index 6925b272b4a..cd822b08361 100644 --- a/llvm/lib/Target/X86/X86VZeroUpper.cpp +++ b/llvm/lib/Target/X86/X86VZeroUpper.cpp @@ -248,7 +248,7 @@ void VZeroUpperInserter::processBasicBlock(MachineBasicBlock &MBB) { /// vzeroupper instructions before function calls. bool VZeroUpperInserter::runOnMachineFunction(MachineFunction &MF) { const X86Subtarget &ST = MF.getSubtarget<X86Subtarget>(); - if (!ST.hasAVX() || ST.hasAVX512()) + if (!ST.hasAVX() || ST.hasAVX512() || ST.hasFastPartialYMMWrite()) return false; TII = ST.getInstrInfo(); MachineRegisterInfo &MRI = MF.getRegInfo(); |
