[llvm-branch-commits] [clang] fdebc12 - [Clang][AArch64] Capturing proper pointer alignment for Neon vld1 intrinsicts

[Lucas Prates via llvm-branch-commits]

Author: Lucas Prates
Date: 2020-05-07T12:16:34+01:00
New Revision: fdebc127acffaae84c3768ae805f1f3e199f1fde

URL: https://github.com/llvm/llvm-project/commit/fdebc127acffaae84c3768ae805f1f3e199f1fde
DIFF: https://github.com/llvm/llvm-project/commit/fdebc127acffaae84c3768ae805f1f3e199f1fde.diff

LOG: [Clang][AArch64] Capturing proper pointer alignment for Neon vld1 intrinsicts

Added: 
    

Modified: 
    clang/lib/CodeGen/CGBuiltin.cpp

Removed: 
    


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diff  --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index dbe8826454dc..8b33890098bd 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -10283,9 +10283,8 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
   }
   case NEON::BI__builtin_neon_vld1_v:
   case NEON::BI__builtin_neon_vld1q_v: {
+    auto Alignment = getNaturalPointeeTypeAlignment(E->getArg(0)->getType());
     Ops[0] = Builder.CreateBitCast(Ops[0], llvm::PointerType::getUnqual(VTy));
-    auto Alignment = CharUnits::fromQuantity(
-        BuiltinID == NEON::BI__builtin_neon_vld1_v ? 8 : 16);
     return Builder.CreateAlignedLoad(VTy, Ops[0], Alignment);
   }
   case NEON::BI__builtin_neon_vst1_v: