tree 9d3c5d3643df8e1a13804999ee6170ce76241bff
parent ed23bdb65fe86cdb7a38c8c1998ec965e6973966
author Hal Finkel <hfinkel@anl.gov> 1325205240 +0000
committer Hal Finkel <hfinkel@anl.gov> 1325205240 +0000

Cleanup stack/frame register define/kill states. This fixes two bugs:

1. The ST*UX instructions that store and update the stack pointer did not set define/kill on R1. This became a problem when I activated post-RA scheduling (and had incorrectly adjusted the Frames-large test).

2. eliminateFrameIndex did not kill its scavenged temporary register, and this could cause the scavenger to exhaust all available registers (and its emergency spill slot) when there were a lot of CR values to spill. The 2010-02-12-saveCR test has been adjusted to check for this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147359 91177308-0d34-0410-b5e6-96231b3b80d8