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-rw-r--r--llvm/lib/Target/X86/X86VZeroUpper.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86VZeroUpper.cpp b/llvm/lib/Target/X86/X86VZeroUpper.cpp
index 172f8665fad..4c8f2a77c64 100644
--- a/llvm/lib/Target/X86/X86VZeroUpper.cpp
+++ b/llvm/lib/Target/X86/X86VZeroUpper.cpp
@@ -38,6 +38,10 @@ namespace {
VZeroUpperInserter() : MachineFunctionPass(ID) {}
bool runOnMachineFunction(MachineFunction &MF) override;
+ MachineFunctionProperties getRequiredProperties() const override {
+ return MachineFunctionProperties().set(
+ MachineFunctionProperties::Property::AllVRegsAllocated);
+ }
const char *getPassName() const override {return "X86 vzeroupper inserter";}
private:
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