[llvm] [PowerPC][AIX] Using milicode for memcmp instead of libcall (PR #147093)

[Matt Arsenault via llvm-commits]

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@@ -24,7 +24,7 @@
 namespace llvm {
 
 class SelectionDAG;
-
+class CallInst;
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arsenm wrote:

Sort forward declarations alphabetically 

https://github.com/llvm/llvm-project/pull/147093