diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp index eba73fd7e5f9..c539c8617d99 100644 --- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -11928,12 +11928,11 @@ bool AArch64TargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info, case Intrinsic::aarch64_mops_memset_tag: { Value *Dst = I.getArgOperand(0); Value *Val = I.getArgOperand(1); - PointerType *PtrTy = cast(Dst->getType()); Info.opc = ISD::INTRINSIC_W_CHAIN; Info.memVT = MVT::getVT(Val->getType()); Info.ptrVal = Dst; Info.offset = 0; - Info.align = DL.getABITypeAlign(PtrTy->getPointerElementType()); + Info.align = I.getParamAlign(0).valueOrOne(); Info.flags = MachineMemOperand::MOStore; // The size of the memory being operated on is unknown at this point Info.size = MemoryLocation::UnknownSize; diff --git a/llvm/test/CodeGen/AArch64/aarch64-mops-mte.ll b/llvm/test/CodeGen/AArch64/aarch64-mops-mte.ll index 6ad195492758..5b71648ac1a9 100644 --- a/llvm/test/CodeGen/AArch64/aarch64-mops-mte.ll +++ b/llvm/test/CodeGen/AArch64/aarch64-mops-mte.ll @@ -324,3 +324,34 @@ entry: %r = tail call i8* @llvm.aarch64.mops.memset.tag(i8* %dst, i8 %value_trunc, i64 %size) ret i8* %r } + +define i8* @memset_tagged_size_aligned(i8* %dst, i64 %size, i32 %value) { +; GISel-O0-LABEL: memset_tagged_size_aligned: +; GISel-O0: // %bb.0: // %entry +; GISel-O0-NEXT: // implicit-def: $x8 +; GISel-O0-NEXT: mov w8, w2 +; GISel-O0-NEXT: setgp [x0]!, x1!, x8 +; GISel-O0-NEXT: setgm [x0]!, x1!, x8 +; GISel-O0-NEXT: setge [x0]!, x1!, x8 +; GISel-O0-NEXT: ret +; +; GISel-LABEL: memset_tagged_size_aligned: +; GISel: // %bb.0: // %entry +; GISel-NEXT: // kill: def $w2 killed $w2 def $x2 +; GISel-NEXT: setgp [x0]!, x1!, x2 +; GISel-NEXT: setgm [x0]!, x1!, x2 +; GISel-NEXT: setge [x0]!, x1!, x2 +; GISel-NEXT: ret +; +; SDAG-LABEL: memset_tagged_size_aligned: +; SDAG: // %bb.0: // %entry +; SDAG-NEXT: // kill: def $w2 killed $w2 def $x2 +; SDAG-NEXT: setgp [x0]!, x1!, x2 +; SDAG-NEXT: setgm [x0]!, x1!, x2 +; SDAG-NEXT: setge [x0]!, x1!, x2 +; SDAG-NEXT: ret +entry: + %value_trunc = trunc i32 %value to i8 + %r = tail call i8* @llvm.aarch64.mops.memset.tag(i8* align 16 %dst, i8 %value_trunc, i64 %size) + ret i8* %r +}