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-rw-r--r--llvm/lib/Target/X86/X86CallFrameOptimization.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
index 25d1c51d28f..78bd2add8c3 100644
--- a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
+++ b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
@@ -340,10 +340,10 @@ void X86CallFrameOptimization::collectCallInfo(MachineFunction &MF,
return;
}
- // For globals in PIC mode, we can have some LEAs here.
- // Ignore them, they don't bother us.
+ // Skip over DEBUG_VALUE.
+ // For globals in PIC mode, we can have some LEAs here. Skip them as well.
// TODO: Extend this to something that covers more cases.
- while (I->getOpcode() == X86::LEA32r)
+ while (I->getOpcode() == X86::LEA32r || I->isDebugValue())
++I;
unsigned StackPtr = RegInfo.getStackRegister();
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