[BACKEND] Update LLVM version to 2fe947b4 (triton-lang#5540)

makslevental · makslevental · commit 2abb47a14f65 · 2025-01-13T14:35:59.000-05:00
The only change here is due to deprecation of `applyPatternsAndFoldGreedily`. Note, the is the last commit before llvm/llvm-project#115946 which leads to IMAs.
diff --git a/cmake/llvm-hash.txt b/cmake/llvm-hash.txt
@@ -1 +1 @@
-91c5de7fb8f95132043ed08056e58238383cfcb9
+2fe947b47798de1ad20553be4e162e332428ad91

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-91c5de7fb8f95132043ed08056e58238383cfcb9`
	`1`	`+2fe947b47798de1ad20553be4e162e332428ad91`