Fix ARMBaseInstrInfo::getInstrLatency for calls.
Calls always clobber CPSR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150831 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 2d7df09..166b248 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -2849,7 +2849,7 @@
const MCInstrDesc &MCID = MI->getDesc();
unsigned Class = MCID.getSchedClass();
unsigned UOps = ItinData->Itineraries[Class].NumMicroOps;
- if (PredCost && MCID.hasImplicitDefOfPhysReg(ARM::CPSR))
+ if (PredCost && (MCID.isCall() || MCID.hasImplicitDefOfPhysReg(ARM::CPSR)))
// When predicated, CPSR is an additional source operand for CPSR updating
// instructions, this apparently increases their latencies.
*PredCost = 1;