[PATCH] D18614: Add TargetMachine::addEarlyAsPossiblePasses.

[Reid Kleckner via llvm-commits]

rnk added a subscriber: rnk.
rnk added a comment.

Shouldn't this patch also modify the pass pipeline to call this hook at some point?


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Comment at: include/llvm/Target/TargetMachine.h:220-221
@@ -219,1 +219,4 @@
 
+  /// Add target-specific function passes that should be run as early as
+  /// possible -- before most machine-independent IR passes.  Most
+  /// TargetMachines have no such passes.
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Maybe this should say "before all mid-level optimization passes". I initially assumed you wanted this to run before IR-level codegen passes (CodeGenPrepare, LSR, etc), but that's what we have today.


http://reviews.llvm.org/D18614