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-rw-r--r--lib/Target/ARM/ARMBaseInstrInfo.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 8f0170c..88eb67f 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1400,7 +1400,8 @@ bool ARMBaseInstrInfo::isSchedulingBoundary(const MachineInstr *MI,
// saves compile time, because it doesn't require every single
// stack slot reference to depend on the instruction that does the
// modification.
- if (MI->definesRegister(ARM::SP))
+ // Calls don't actually change the stack pointer, even if they have imp-defs.
+ if (!MI->isCall() && MI->definesRegister(ARM::SP))
return true;
return false;