[llvm] 6170272 - [AArch64][GlobalISel] Disallow vectors in convertPtrAddToAdd.
Amara Emerson via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 30 14:51:08 PST 2020
Author: Amara Emerson
Date: 2020-01-30T14:50:44-08:00
New Revision: 6170272ab9aeb4dee1cb212b88e74f0c2e4dad60
URL: https://github.com/llvm/llvm-project/commit/6170272ab9aeb4dee1cb212b88e74f0c2e4dad60
DIFF: https://github.com/llvm/llvm-project/commit/6170272ab9aeb4dee1cb212b88e74f0c2e4dad60.diff
LOG: [AArch64][GlobalISel] Disallow vectors in convertPtrAddToAdd.
Found by inspection, but there's no test for this yet because G_PTR_ADD is
currently illegal for vectors. I'll add the test at a later time when the
legalizer support has landed.
Added:
Modified:
llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
Removed:
################################################################################
diff --git a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
index cf6ffcc753fa..cf3dc78ff505 100644
--- a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
@@ -1399,6 +1399,10 @@ bool AArch64InstructionSelector::convertPtrAddToAdd(
if (PtrTy.getAddressSpace() != 0)
return false;
+ // Only do this for scalars for now.
+ if (PtrTy.isVector())
+ return false;
+
MachineIRBuilder MIB(I);
const LLT s64 = LLT::scalar(64);
auto PtrToInt = MIB.buildPtrToInt(s64, AddOp1Reg);
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