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[NFC] Remove dead code

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Differential Revision: https://reviews.llvm.org/D81195
This commit is contained in:
Guillaume Chatelet 2020-06-30 14:46:56 +00:00
parent 7cf5768d98
commit d5f8f57b04
1 changed files with 2 additions and 10 deletions
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12
include/llvm/CodeGen/CallingConvLower.h
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@ -221,9 +221,7 @@ private:
// 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 @@ private:
// 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;