[llvm] WIP: AMDGPU: Use MFPropsModifier modifier in SIFoldOperands (PR #127752)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,16 @@
+# RUN: not --crash llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=si-fold-operands -filetype=null %s 2>&1 | FileCheck -check-prefixes=ERR-LEGACY,ERR %s
+# RUN: not --crash llc -mtriple=amdgcn -mcpu=gfx900 -passes=si-fold-operands -filetype=null %s 2>&1 | FileCheck -check-prefixes=ERR-NPM,ERR %s
+
+# ERR-LEGACY: MachineFunctionProperties required by SI Fold Operands pass are not met by function not_ssa.
+# ERR-NPM: MachineFunctionProperties required by SIFoldOperandsPass pass are not met by function not_ssa.
+# ERR-NEXT: Required properties: IsSSA
+# ERR-NEXT: Current properties: NoPHIs
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arsenm wrote:

No, the test is failing on the bot. And fails for me locally. There is no error produced 

https://github.com/llvm/llvm-project/pull/127752