[PATCH] D81195: [NFC] Remove dead code

[Guillaume Chatelet via Phabricator via llvm-commits]

gchatelet updated this revision to Diff 272394.
gchatelet added a comment.

rebase


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D81195/new/

https://reviews.llvm.org/D81195

Files:
  llvm/include/llvm/CodeGen/CallingConvLower.h


Index: llvm/include/llvm/CodeGen/CallingConvLower.h
===================================================================
--- llvm/include/llvm/CodeGen/CallingConvLower.h
+++ llvm/include/llvm/CodeGen/CallingConvLower.h
@@ -221,9 +221,7 @@
   // ByValRegs[1] describes how "%t" is stored (Begin == r3, End == r4).
   //
   // In case of 8 bytes stack alignment,
-  // ByValRegs may also contain information about wasted registers.
   // In function shown above, r3 would be wasted according to AAPCS rules.
-  // And in that case ByValRegs[1].Waste would be "true".
   // ByValRegs vector size still would be 2,
   // while "%t" goes to the stack: it wouldn't be described in ByValRegs.
   //
@@ -233,19 +231,13 @@
   // 3. Argument analysis (LowerFormatArguments, for example). After
   // some byval argument was analyzed, InRegsParamsProcessed is increased.
   struct ByValInfo {
-    ByValInfo(unsigned B, unsigned E, bool IsWaste = false) :
-      Begin(B), End(E), Waste(IsWaste) {}
+    ByValInfo(unsigned B, unsigned E) : Begin(B), End(E) {}
+
     // First register allocated for current parameter.
     unsigned Begin;
 
     // First after last register allocated for current parameter.
     unsigned End;
-
-    // Means that current range of registers doesn't belong to any
-    // parameters. It was wasted due to stack alignment rules.
-    // For more information see:
-    // AAPCS, 5.5 Parameter Passing, Stage C, C.3.
-    bool Waste;
   };
   SmallVector<ByValInfo, 4 > ByValRegs;
 


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