diff options
| author | Bob Wilson <bob.wilson@apple.com> | 2010-12-10 22:54:58 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-12-10 22:54:58 +0000 |
| commit | a0eb23b79aba48a8141daa4eb1aba66266b41abe (patch) | |
| tree | f3330c0aae271de6beb97bace9b7557ab21043ea /lib/CodeGen | |
| parent | e005d19456e6fb73ace33f25e02ac10e22dd063f (diff) | |
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
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 6480b1594e..43b1ef80d6 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -1379,6 +1379,27 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, 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; |