Fix mistakes in #113532 (#115631)

Found during review #115151

Author: phoebewang

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -27328,8 +27328,6 @@ static SDValue LowerINTRINSIC_W_CHAIN(SDValue Op, const X86Subtarget &Subtarget,
     case Intrinsic::x86_t2rpntlvwz0t1_internal:
     case Intrinsic::x86_t2rpntlvwz1_internal:
     case Intrinsic::x86_t2rpntlvwz1t1_internal: {
-      if (!Subtarget.hasAMXTILE())
-        break;
       auto *X86MFI = DAG.getMachineFunction().getInfo<X86MachineFunctionInfo>();
       X86MFI->setAMXProgModel(AMXProgModelEnum::ManagedRA);
       unsigned IntNo = Op.getConstantOperandVal(1);

llvm/lib/Target/X86/X86InstrInfo.cpp

@@ -4737,6 +4737,7 @@ static bool isAMXOpcode(unsigned Opc) {
   case X86::TILELOADD_EVEX:
   case X86::TILESTORED_EVEX:
   case X86::PTILEPAIRLOAD:
+  case X86::PTILEPAIRSTORE:
     return true;
   }
 }

llvm/test/CodeGen/X86/amx_transpose_intrinsics.ll

@@ -80,18 +80,18 @@ define void @test_amx_spill(i8* %pointer, i8* %base, i64 %stride) #0 {
 ; CHECK-NEXT:    tileloadd (%rsi,%rdx), %tmm0
 ; CHECK-NEXT:    t2rpntlvwz0 (%rsi,%rdx), %tmm4
 ; CHECK-NEXT:    t2rpntlvwz0t1 (%rsi,%rdx), %tmm6
-; CHECK-NEXT:    tilestored %tmm6, {{[-0-9]+}}(%r{{[sb]}}p) # 1024-byte Folded Spill
-; CHECK-NEXT:    tilestored %tmm7, {{[-0-9]+}}(%r{{[sb]}}p) # 1024-byte Folded Spill
+; CHECK-NEXT:    movabsq $64, %rcx
+; CHECK-NEXT:    tilestored %tmm6, 4032(%rsp,%rcx) # 1024-byte Folded Spill
+; CHECK-NEXT:    tilestored %tmm7, 5056(%rsp,%rcx) # 1024-byte Folded Spill
 ; CHECK-NEXT:    t2rpntlvwz1 (%rsi,%rdx), %tmm6
-; CHECK-NEXT:    tilestored %tmm6, {{[-0-9]+}}(%r{{[sb]}}p) # 1024-byte Folded Spill
-; CHECK-NEXT:    tilestored %tmm7, {{[-0-9]+}}(%r{{[sb]}}p) # 1024-byte Folded Spill
+; CHECK-NEXT:    tilestored %tmm6, 1984(%rsp,%rcx) # 1024-byte Folded Spill
+; CHECK-NEXT:    tilestored %tmm7, 3008(%rsp,%rcx) # 1024-byte Folded Spill
 ; CHECK-NEXT:    t2rpntlvwz1t1 (%rsi,%rdx), %tmm6
-; CHECK-NEXT:    tilestored %tmm6, {{[-0-9]+}}(%r{{[sb]}}p) # 1024-byte Folded Spill
-; CHECK-NEXT:    tilestored %tmm7, {{[-0-9]+}}(%r{{[sb]}}p) # 1024-byte Folded Spill
+; CHECK-NEXT:    tilestored %tmm6, -64(%rsp,%rcx) # 1024-byte Folded Spill
+; CHECK-NEXT:    tilestored %tmm7, 960(%rsp,%rcx) # 1024-byte Folded Spill
 ; CHECK-NEXT:    t2rpntlvwz0 (%rsi,%rdx), %tmm6
 ; CHECK-NEXT:    tilestored %tmm4, (%rsi,%rdx)
 ; CHECK-NEXT:    tilestored %tmm5, (%rsi,%rdx)
-; CHECK-NEXT:    movabsq $64, %rcx
 ; CHECK-NEXT:    tileloadd 4032(%rsp,%rcx), %tmm4 # 1024-byte Folded Reload
 ; CHECK-NEXT:    tileloadd 5056(%rsp,%rcx), %tmm5 # 1024-byte Folded Reload
 ; CHECK-NEXT:    tilestored %tmm4, (%rsi,%rdx)