From 3d4166dff0624b8843338acc156987e8bc890e9b Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 30 May 2012 00:42:02 +0000 Subject: If-converter models predicated defs as read + write. The read should be marked as 'undef' since it may not already be live. This appeases -verify-machineinstrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157662 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/IfConversion.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'lib/CodeGen/IfConversion.cpp') diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp index 75ae5b9c2c..00ea3c599f 100644 --- a/lib/CodeGen/IfConversion.cpp +++ b/lib/CodeGen/IfConversion.cpp @@ -993,7 +993,8 @@ static void UpdatePredRedefs(MachineInstr *MI, SmallSet &Redefs, if (AddImpUse) // Treat predicated update as read + write. MI->addOperand(MachineOperand::CreateReg(Reg, false/*IsDef*/, - true/*IsImp*/,false/*IsKill*/)); + true/*IsImp*/,false/*IsKill*/, + false/*IsDead*/,true/*IsUndef*/)); } else { Redefs.insert(Reg); for (const uint16_t *SR = TRI->getSubRegisters(Reg); *SR; ++SR) -- cgit v1.2.3-18-g5258