From 5ef9d76f6f1afe5a07a9cffe7ce5780d07a25d9c Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Thu, 15 Apr 2010 20:28:39 +0000 Subject: Fix PR6847. RegScavenger should ignore DebugValues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101392 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegisterScavenging.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'lib/CodeGen/RegisterScavenging.cpp') diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp index d34b701db9..179984f2a9 100644 --- a/lib/CodeGen/RegisterScavenging.cpp +++ b/lib/CodeGen/RegisterScavenging.cpp @@ -136,6 +136,9 @@ void RegScavenger::forward() { ScavengeRestore = NULL; } + if (MI->isDebugValue()) + return; + // Find out which registers are early clobbered, killed, defined, and marked // def-dead in this instruction. BitVector EarlyClobberRegs(NumPhysRegs); -- cgit v1.2.3-70-g09d2