[PATCH] D21885: RegScavenging: Add scavengeRegisterBackwards()

Tim Northover via llvm-commits llvm-commits at lists.llvm.org
Fri Jul 8 13:34:16 PDT 2016

t.p.northover accepted this revision.
t.p.northover added a reviewer: t.p.northover.
This revision is now accepted and ready to land.

Comment at: test/CodeGen/Mips/emergency-spill-slot-near-fp.ll:3-5
@@ -2,2 +2,5 @@
 ; RUN: llc -march=mipsel -O0 -relocation-model=pic < %s | FileCheck %s
+; Disabled. Looks like the new register scavenging code can generate code
+; without an emergency spillslot here.
+; XFAIL: *
Don't we need to come up with an alternative that does need a spill slot then? Not that I actually have any idea how to do that on MIPS, but XFAILing the test probably means it'll just be forgotten forever.



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