From 4af0f5fecb42563ff3ca5bd7fddb2f4f111e2fef Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Sat, 30 Jul 2011 00:57:25 +0000 Subject: Revert "Don't check liveness of unallocatable registers." The ARM target depends on CPSR liveness being tracked after register allocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136548 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegisterScavenging.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib/CodeGen/RegisterScavenging.cpp') diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp index 4fc711e1b8..9e9a145b0a 100644 --- a/lib/CodeGen/RegisterScavenging.cpp +++ b/lib/CodeGen/RegisterScavenging.cpp @@ -157,7 +157,7 @@ void RegScavenger::forward() { if (!MO.isReg()) continue; unsigned Reg = MO.getReg(); - if (!Reg || isReserved(Reg) || !TRI->isInAllocatableClass(Reg)) + if (!Reg || isReserved(Reg)) continue; if (MO.isUse()) { @@ -184,7 +184,7 @@ void RegScavenger::forward() { if (!MO.isReg()) continue; unsigned Reg = MO.getReg(); - if (!Reg || isReserved(Reg) || !TRI->isInAllocatableClass(Reg)) + if (!Reg || isReserved(Reg)) continue; if (MO.isUse()) { if (MO.isUndef()) -- cgit v1.2.3-70-g09d2