Fix clang crashes on Neon vld[234]_dup intrinsics with 64-bit element types.
The 64-bit element vectors need to be handled as a special case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121592 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 6480b15..43b1ef8 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -1379,6 +1379,27 @@
case ARM::BI__builtin_neon_vld2_dup_v:
case ARM::BI__builtin_neon_vld3_dup_v:
case ARM::BI__builtin_neon_vld4_dup_v: {
+ // Handle 64-bit elements as a special-case. There is no "dup" needed.
+ if (VTy->getElementType()->getPrimitiveSizeInBits() == 64) {
+ switch (BuiltinID) {
+ case ARM::BI__builtin_neon_vld2_dup_v:
+ Int = Intrinsic::arm_neon_vld2;
+ break;
+ case ARM::BI__builtin_neon_vld3_dup_v:
+ Int = Intrinsic::arm_neon_vld2;
+ break;
+ case ARM::BI__builtin_neon_vld4_dup_v:
+ Int = Intrinsic::arm_neon_vld2;
+ break;
+ default: assert(0 && "unknown vld_dup intrinsic?");
+ }
+ Function *F = CGM.getIntrinsic(Int, &Ty, 1);
+ Value *Align = GetPointeeAlignment(*this, E->getArg(1));
+ Ops[1] = Builder.CreateCall2(F, Ops[1], Align, "vld_dup");
+ Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
+ Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
+ return Builder.CreateStore(Ops[1], Ops[0]);
+ }
switch (BuiltinID) {
case ARM::BI__builtin_neon_vld2_dup_v:
Int = Intrinsic::arm_neon_vld2lane;