[LLVM][Alignment] Introduce Alignment Type

Summary:
This is patch is part of a serie to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet, jfb, jakehehrlich

Reviewed By: jfb

Subscribers: wuzish, jholewinski, arsenm, dschuff, nemanjai, jvesely, nhaehnle, javed.absar, sbc100, jgravelle-google, hiraditya, aheejin, kbarton, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, dexonsmith, PkmX, jocewei, jsji, s.egerton, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65514

llvm-svn: 367828

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp b/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
index 269de1513e7..7ddc33e3eed 100644
--- a/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
@@ -1783,7 +1783,8 @@ bool HexagonTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
     // The offset value comes through Modifier register. For now, assume the
     // offset is 0.
     Info.offset = 0;
-    Info.align = DL.getABITypeAlignment(Info.memVT.getTypeForEVT(Cont));
+    Info.align =
+        MaybeAlign(DL.getABITypeAlignment(Info.memVT.getTypeForEVT(Cont)));
     Info.flags = MachineMemOperand::MOLoad;
     return true;
   }
@@ -1805,7 +1806,8 @@ bool HexagonTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
     Info.memVT = MVT::getVT(VecTy);
     Info.ptrVal = I.getArgOperand(0);
     Info.offset = 0;
-    Info.align = M.getDataLayout().getTypeAllocSizeInBits(VecTy) / 8;
+    Info.align =
+        MaybeAlign(M.getDataLayout().getTypeAllocSizeInBits(VecTy) / 8);
     Info.flags = MachineMemOperand::MOLoad |
                  MachineMemOperand::MOStore |
                  MachineMemOperand::MOVolatile;