[llvm] 249b40b - [AArch64] Delete unneeded fixup_aarch64_ldr_pcrel_imm19 VK_GOT special case

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2021-05-23T15:20:56-07:00
New Revision: 249b40b558955afe5ac2b549edcf2d7f859c8cc9

URL: https://github.com/llvm/llvm-project/commit/249b40b558955afe5ac2b549edcf2d7f859c8cc9
DIFF: https://github.com/llvm/llvm-project/commit/249b40b558955afe5ac2b549edcf2d7f859c8cc9.diff

LOG: [AArch64] Delete unneeded fixup_aarch64_ldr_pcrel_imm19 VK_GOT special case

An AArch64 VK_GOT fixup must have a symbol. MCAssembler::evaluateFixup considers
such a fixup not resolved. The code path cannot trigger.

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/MCTargetDesc/AArch64AsmBackend.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64AsmBackend.cpp b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64AsmBackend.cpp
index 02570e864e40..290fe88a8cec 100644
--- a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64AsmBackend.cpp
+++ b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64AsmBackend.cpp
@@ -491,13 +491,6 @@ bool AArch64AsmBackend::shouldForceRelocation(const MCAssembler &Asm,
   if (Kind == AArch64::fixup_aarch64_pcrel_adrp_imm21)
     return true;
 
-  AArch64MCExpr::VariantKind RefKind =
-      static_cast<AArch64MCExpr::VariantKind>(Target.getRefKind());
-  AArch64MCExpr::VariantKind SymLoc = AArch64MCExpr::getSymbolLoc(RefKind);
-  // LDR GOT relocations need a relocation
-  if (Kind == AArch64::fixup_aarch64_ldr_pcrel_imm19 &&
-      SymLoc == AArch64MCExpr::VK_GOT)
-    return true;
   return false;
 }