[llvm-bugs] [Bug 35308] New: Merge r317204+r318172 into the 5.0.1 branch : Enable register scavenging for MSA + simplify test for 5.0.1

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=35308

            Bug ID: 35308
           Summary: Merge r317204+r318172 into the 5.0.1 branch : Enable
                    register scavenging for MSA + simplify test for 5.0.1
           Product: new-bugs
           Version: 5.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: simon.dardis at mips.com
                CC: llvm-bugs at lists.llvm.org

The first patch tweaks the logic determining size of the stack that is likely
to be accessed for MIPS when using MSA and when to enable an emergency spill
slot, the second simplifies the test for the 5.0.1 release.

Fixes an ICE when compiling the LLVM testsuite with MSA and mips64r6.

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