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-rw-r--r--lib/CodeGen/CriticalAntiDepBreaker.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/CriticalAntiDepBreaker.cpp b/lib/CodeGen/CriticalAntiDepBreaker.cpp
index 0eb74a40d5..d4955b37a5 100644
--- a/lib/CodeGen/CriticalAntiDepBreaker.cpp
+++ b/lib/CodeGen/CriticalAntiDepBreaker.cpp
@@ -201,8 +201,8 @@ void CriticalAntiDepBreaker::PrescanInstruction(MachineInstr *MI) {
if (MO.isUse() && Special) {
if (!KeepRegs.test(Reg)) {
- KeepRegs.set(Reg);
- for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs)
+ for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);
+ SubRegs.isValid(); ++SubRegs)
KeepRegs.set(*SubRegs);
}
}