clang/test/CodeGen/ms-inline-asm-enums.cpp

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang_cc1 %s -fasm-blocks -triple i386-apple-darwin10 -emit-llvm -o - | FileCheck %s
   3
   4 namespace x {
   5   enum { A = 12 };
   6   struct y_t {
   7     enum { A = 17 };
   8     int r;
   9   } y;
  10 }
  11
  12 // CHECK-LABEL: t1
  13 void t1() {
  14   enum { A = 1 };
  15   // CHECK: call void asm
  16   // CHECK-SAME: mov eax, $$12
  17   __asm mov eax, x::A
  18   // CHECK-SAME: mov eax, $$17
  19   __asm mov eax, x::y_t::A
  20   // CHECK-NEXT: call void asm
  21   // CHECK-SAME: mov eax, $$1
  22   __asm {mov eax, A}
  23 }
  24
  25 // CHECK-LABEL: t2
  26 void t2() {
  27   enum { A = 1, B };
  28   // CHECK: call void asm
  29   // CHECK-SAME: mov eax, $$21
  30   __asm mov eax, (A + 9) * 2 + A
  31   // CHECK-SAME: mov eax, $$4
  32   __asm mov eax, A << 2
  33   // CHECK-SAME: mov eax, $$2
  34   __asm mov eax, B & 3
  35   // CHECK-SAME: mov eax, $$5
  36   __asm mov eax, 3 + (B & 3)
  37   // CHECK-SAME: mov eax, $$8
  38   __asm mov eax, 2 << A * B
  39 }
  40
  41 // CHECK-LABEL: t3
  42 void t3() {
  43   int arr[4];
  44   enum { A = 4, B };
  45   // CHECK: call void asm
  46   // CHECK-SAME: mov eax, [eax + $$47]
  47   __asm { mov eax, [(x::A + 9) + A * B + 3 + 3 + eax] }
  48   // CHECK-NEXT: call void asm
  49   // CHECK-SAME: mov eax, dword ptr $0[$$4]
  50   __asm { mov eax, dword ptr [arr + A] }
  51   // CHECK-NEXT: call void asm
  52   // CHECK-SAME: mov eax, dword ptr $0[$$8]
  53   __asm { mov eax, dword ptr A[arr + A] }
  54 }
  55