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-rw-r--r--lib/Target/X86/X86InstrBuilder.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrBuilder.h b/lib/Target/X86/X86InstrBuilder.h
index a981db069e..6612cd3e67 100644
--- a/lib/Target/X86/X86InstrBuilder.h
+++ b/lib/Target/X86/X86InstrBuilder.h
@@ -54,6 +54,7 @@ inline const MachineInstrBuilder &addFullAddress(const MachineInstrBuilder &MIB,
unsigned Scale,
unsigned IndexReg,
unsigned Disp) {
+ assert (Scale == 1 || Scale == 2 || Scale == 4 || Scale == 8);
return MIB.addReg(BaseReg).addZImm(Scale).addReg(IndexReg).addSImm(Disp);
}