From b0e519f2bf201d96d304cb9fd330a5e1b38536fe Mon Sep 17 00:00:00 2001 From: Lang Hames Date: Sun, 17 May 2009 23:50:36 +0000 Subject: Prevented reg0 from being added to MBB live-in set, which was causing issues for PostRAScheduler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71991 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegAllocPBQP.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'lib/CodeGen/RegAllocPBQP.cpp') diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp index 9b2c92c..6bad2db 100644 --- a/lib/CodeGen/RegAllocPBQP.cpp +++ b/lib/CodeGen/RegAllocPBQP.cpp @@ -765,6 +765,11 @@ void PBQPRegAlloc::finalizeAlloc() const { continue; } + // Ignore unallocated vregs: + if (reg == 0) { + continue; + } + // Iterate over the ranges of the current interval... for (LRIterator lrItr = li->begin(), lrEnd = li->end(); lrItr != lrEnd; ++lrItr) { -- cgit v1.1