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-rw-r--r--llvm/lib/Target/PowerPC/PPCInstrInfo.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index fb16700a5e1..ec74d309f68 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -2444,6 +2444,8 @@ bool PPCInstrInfo::convertToImmediateForm(MachineInstr &MI,
Is64BitLI = Opc != PPC::RLDICL_32;
NewImm = InVal.getSExtValue();
SetCR = Opc == PPC::RLDICLo;
+ if (SetCR && (SExtImm & NewImm) != NewImm)
+ return false;
break;
}
return false;
@@ -2471,6 +2473,8 @@ bool PPCInstrInfo::convertToImmediateForm(MachineInstr &MI,
Is64BitLI = Opc == PPC::RLWINM8 || Opc == PPC::RLWINM8o;
NewImm = InVal.getSExtValue();
SetCR = Opc == PPC::RLWINMo || Opc == PPC::RLWINM8o;
+ if (SetCR && (SExtImm & NewImm) != NewImm)
+ return false;
break;
}
return false;
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