[X86][InlineAsm] Use mem size information (*word ptr) for "global variable +...

// REQUIRES: x86-registered-target

// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fasm-blocks -emit-llvm %s -o - | FileCheck %s

// RUN: %clang_cc1 -triple i386-unknown-unknown -fasm-blocks -emit-llvm %s -o - | FileCheck %s

// This test is designed to check if we use the mem size info for parsing MS

// InlineAsm which use a global variable and one/two registers in a memory

// expression. If we not use this mem size info, there will be error of

// ambiguous operand size for some instructions. (e.g. 'fmul')

__attribute__((aligned (16)))

static const unsigned int static_const_table[] = { 0x00800000, };

void __attribute__ ((naked)) foo(void)

{__asm{

    fmul qword ptr [static_const_table + 0x00f0 +edx]

    ret

}}

// CHECK-LABEL: foo

// CHECK: call void asm sideeffect inteldialect "fmul qword ptr static_const_table[edx + $$240]\0A\09ret"

  // registers in a mmory expression, and though unaccessible via rip/eip.

  if (IsGlobalLV && (BaseReg || IndexReg)) {

    Operands.push_back(

        X86Operand::CreateMem(getPointerWidth(), Disp, Start, End));

        X86Operand::CreateMem(getPointerWidth(), Disp, Start, End, Size));

    return false;

  }

  // Otherwise, we set the base register to a non-zero value