[llvm] r324773 - [AArch64FastISel] Replace deprecated calls to MemoryIntrinsic::getAlignment() (NFCI)

[Daniel Neilson via llvm-commits]

Author: dneilson
Date: Fri Feb  9 13:49:29 2018
New Revision: 324773

URL: http://llvm.org/viewvc/llvm-project?rev=324773&view=rev
Log:
[AArch64FastISel] Replace deprecated calls to MemoryIntrinsic::getAlignment() (NFCI)

Summary:
This change is part of step five in the series of changes to remove alignment argument from
memcpy/memmove/memset in favour of alignment attributes. In particular, this changes
AArch64FastISel to cease using the old getAlignment() API of MemoryIntrinsic in favour of getting
source & dest specific alignments through the new API.

Steps:
Step 1) Remove alignment parameter and create alignment parameter attributes for
memcpy/memmove/memset. ( rL322965, rC322964, rL322963 )
Step 2) Expand the IRBuilder API to allow creation of memcpy/memmove with differing
source and dest alignments. ( rL323597 )
Step 3) Update Clang to use the new IRBuilder API. ( rC323617 )
Step 4) Update Polly to use the new IRBuilder API. ( rL323618 )
Step 5) Update LLVM passes that create memcpy/memmove calls to use the new IRBuilder API,
and those that use use MemIntrinsicInst::[get|set]Alignment() to use [get|set]DestAlignment()
and [get|set]SourceAlignment() instead. ( rL323886, r323891, rL324148, rL324273, rL324278,
rL324384, rL324395, rL324402, rL324626, rL324642, rL324653, rL324654 )
Step 6) Remove the single-alignment IRBuilder API for memcpy/memmove, and the
MemIntrinsicInst::[get|set]Alignment() methods.

Reference
   http://lists.llvm.org/pipermail/llvm-dev/2015-August/089384.html
   http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20151109/312083.html

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64FastISel.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64FastISel.cpp?rev=324773&r1=324772&r2=324773&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64FastISel.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64FastISel.cpp Fri Feb  9 13:49:29 2018
@@ -3457,7 +3457,8 @@ bool AArch64FastISel::fastLowerIntrinsic
       // Small memcpy's are common enough that we want to do them without a call
       // if possible.
       uint64_t Len = cast<ConstantInt>(MTI->getLength())->getZExtValue();
-      unsigned Alignment = MTI->getAlignment();
+      unsigned Alignment = MinAlign(MTI->getDestAlignment(),
+                                    MTI->getSourceAlignment());
       if (isMemCpySmall(Len, Alignment)) {
         Address Dest, Src;
         if (!computeAddress(MTI->getRawDest(), Dest) ||