[llvm] a87ca9e - GlobalISel: Add accessor to known bits to CombinerHelper

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2020-03-30T11:34:42-07:00
New Revision: a87ca9e4af5a794054a179688a1d73de0e97d81b

URL: https://github.com/llvm/llvm-project/commit/a87ca9e4af5a794054a179688a1d73de0e97d81b
DIFF: https://github.com/llvm/llvm-project/commit/a87ca9e4af5a794054a179688a1d73de0e97d81b.diff

LOG: GlobalISel: Add accessor to known bits to CombinerHelper

I need to pass known bits to a target combine matcher (which for some
reason aren't methods in a subclass of CombinerHelper?)

Added: 
    

Modified: 
    llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h

Removed: 
    


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diff  --git a/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h b/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
index f97c22ac420a..d5464cb75320 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
@@ -62,6 +62,10 @@ class CombinerHelper {
                  GISelKnownBits *KB = nullptr,
                  MachineDominatorTree *MDT = nullptr);
 
+  GISelKnownBits *getKnownBits() const {
+    return KB;
+  }
+
   /// MachineRegisterInfo::replaceRegWith() and inform the observer of the changes
   void replaceRegWith(MachineRegisterInfo &MRI, Register FromReg, Register ToReg) const;