From 1552cccc76c62513a1b38dc1d6fac2c11897cebe Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Tue, 9 Mar 2010 03:56:06 +0000 Subject: Don't do illegal cross-class coalescing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98044 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/MachineCSE.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib/CodeGen/MachineCSE.cpp') diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp index ada95cd6da..68407c88d8 100644 --- a/lib/CodeGen/MachineCSE.cpp +++ b/lib/CodeGen/MachineCSE.cpp @@ -95,7 +95,7 @@ bool MachineCSE::PerformTrivialCoalescing(MachineInstr *MI, !SrcSubIdx && !DstSubIdx) { const TargetRegisterClass *SRC = MRI->getRegClass(SrcReg); const TargetRegisterClass *RC = MRI->getRegClass(Reg); - if (SRC == RC || SRC->hasSubClass(RC) || RC->hasSubClass(SRC)) { + if (SRC == RC || RC->hasSubClass(SRC)) { DEBUG(dbgs() << "Coalescing: " << *DefMI); DEBUG(dbgs() << "*** to: " << *MI); MO.setReg(SrcReg); -- cgit v1.2.3-18-g5258