diff options
author | Ivan A. Kosarev <ikosarev@accesssoftek.com> | 2017-10-13 16:58:30 +0000 |
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committer | Ivan A. Kosarev <ikosarev@accesssoftek.com> | 2017-10-13 16:58:30 +0000 |
commit | 8ebf4572cb0d7d66ad53b85ef8f53483b474fcbb (patch) | |
tree | d386ef860d8131dd5a0f68b39001f6f7639ebd46 /lib/CodeGen/CGExpr.cpp | |
parent | 46d6052cd771f3bd99d3e5a8d259114f1cc5f929 (diff) |
[CodeGen] getNaturalTypeAlignment() to generate TBAA info along with LValue base info
This patch should not bring in any functional changes.
Differential Revision: https://reviews.llvm.org/D38794
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@315708 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExpr.cpp')
-rw-r--r-- | lib/CodeGen/CGExpr.cpp | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp index 2e609deabf..a936211a05 100644 --- a/lib/CodeGen/CGExpr.cpp +++ b/lib/CodeGen/CGExpr.cpp @@ -2151,12 +2151,10 @@ Address CodeGenFunction::EmitLoadOfReference(Address Addr, const ReferenceType *RefTy, LValueBaseInfo *BaseInfo, TBAAAccessInfo *TBAAInfo) { - if (TBAAInfo) - *TBAAInfo = CGM.getTBAAAccessInfo(RefTy->getPointeeType()); - llvm::Value *Ptr = Builder.CreateLoad(Addr); return Address(Ptr, getNaturalTypeAlignment(RefTy->getPointeeType(), - BaseInfo, /*forPointee*/ true)); + BaseInfo, TBAAInfo, + /* forPointeeType= */ true)); } LValue CodeGenFunction::EmitLoadOfReferenceLValue(Address RefAddr, @@ -2171,12 +2169,9 @@ Address CodeGenFunction::EmitLoadOfPointer(Address Ptr, const PointerType *PtrTy, LValueBaseInfo *BaseInfo, TBAAAccessInfo *TBAAInfo) { - if (TBAAInfo) - *TBAAInfo = CGM.getTBAAAccessInfo(PtrTy->getPointeeType()); - llvm::Value *Addr = Builder.CreateLoad(Ptr); return Address(Addr, getNaturalTypeAlignment(PtrTy->getPointeeType(), - BaseInfo, + BaseInfo, TBAAInfo, /*forPointeeType=*/true)); } @@ -2315,8 +2310,10 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) { // FIXME: Eventually we will want to emit vector element references. // Should we be using the alignment of the constant pointer we emitted? - CharUnits Alignment = getNaturalTypeAlignment(E->getType(), nullptr, - /*pointee*/ true); + CharUnits Alignment = getNaturalTypeAlignment(E->getType(), + /* BaseInfo= */ nullptr, + /* TBAAInfo= */ nullptr, + /* forPointeeType= */ true); return MakeAddrLValue(Address(Val, Alignment), T, AlignmentSource::Decl); } @@ -3729,7 +3726,8 @@ LValue CodeGenFunction::EmitLValueForField(LValue base, type = refType->getPointeeType(); CharUnits alignment = - getNaturalTypeAlignment(type, &FieldBaseInfo, /*pointee*/ true); + getNaturalTypeAlignment(type, &FieldBaseInfo, /* TBAAInfo= */ nullptr, + /* forPointeeType= */ true); FieldBaseInfo.setMayAlias(false); addr = Address(load, alignment); |