clang/test/CodeGen/avr/avr-inline-asm-constraints.c

   1 // REQUIRES: avr-registered-target
   2 // RUN: %clang_cc1 -x c -triple avr -target-cpu at90s8515 -emit-llvm -o - %s \
   3 // RUN:     | FileCheck --check-prefixes=CHECK,AVR25 %s
   4 // RUN: %clang_cc1 -x c -triple avr -target-cpu atmega328 -emit-llvm -o - %s \
   5 // RUN:     | FileCheck --check-prefixes=CHECK,AVR51 %s
   6 // RUN: %clang_cc1 -x c -triple avr -target-cpu atmega2560 -emit-llvm -o - %s \
   7 // RUN:     | FileCheck --check-prefixes=CHECK,AVR6 %s
   8
   9 int data;
  10
  11 void a() {
  12   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "a"(i16 %0)
  13   asm("add r5, %0" :: "a"(data));
  14 }
  15
  16 void b() {
  17   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "b"(i16 %0)
  18   asm("add r5, %0" :: "b"(data));
  19 }
  20
  21 void d() {
  22   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "d"(i16 %0)
  23   asm("add r5, %0" :: "d"(data));
  24 }
  25
  26 void l() {
  27   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "l"(i16 %0)
  28   asm("add r5, %0" :: "l"(data));
  29 }
  30
  31 void e() {
  32   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "e"(i16 %0)
  33   asm("add r5, %0" :: "e"(data));
  34 }
  35
  36 void q() {
  37   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "q"(i16 %0)
  38   asm("add r5, %0" :: "q"(data));
  39 }
  40
  41 void r() {
  42   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "r"(i16 %0)
  43   asm("add r5, %0" :: "r"(data));
  44 }
  45
  46 void w() {
  47   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "w"(i16 %0)
  48   asm("add r5, %0" :: "w"(data));
  49 }
  50
  51 void t() {
  52   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "t"(i16 %0)
  53   asm("add r5, %0" :: "t"(data));
  54 }
  55
  56 void x() {
  57   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "x"(i16 %0)
  58   asm("add r5, %0" :: "x"(data));
  59 }
  60
  61 void y() {
  62   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "y"(i16 %0)
  63   asm("add r5, %0" :: "y"(data));
  64 }
  65
  66 void z() {
  67   // CHECK: call addrspace(0) void asm sideeffect "add r5, $0", "z"(i16 %0)
  68   asm("add r5, %0" :: "z"(data));
  69 }
  70
  71 void I() {
  72   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "I"(i16 50)
  73   asm("subi r30, %0" :: "I"(50));
  74 }
  75
  76 void J() {
  77   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "J"(i16 -50)
  78   asm("subi r30, %0" :: "J"(-50));
  79 }
  80
  81 void K() {
  82   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "K"(i16 2)
  83   asm("subi r30, %0" :: "K"(2));
  84 }
  85
  86 void L() {
  87   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "L"(i16 0)
  88   asm("subi r30, %0" :: "L"(0));
  89 }
  90
  91 void M() {
  92   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "M"(i16 255)
  93   asm("subi r30, %0" :: "M"(255));
  94 }
  95
  96 void O() {
  97   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "O"(i16 16)
  98   asm("subi r30, %0" :: "O"(16));
  99 }
 100
 101 void P() {
 102   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "P"(i16 1)
 103   asm("subi r30, %0" :: "P"(1));
 104 }
 105
 106 void R() {
 107   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "R"(i16 -3)
 108   asm("subi r30, %0" :: "R"(-3));
 109 }
 110
 111 void G() {
 112   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "G"(i16 0)
 113   asm("subi r30, %0" :: "G"(0));
 114 }
 115
 116 void Q() {
 117   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "Q"(i16 50)
 118   asm("subi r30, %0" :: "Q"(50));
 119 }
 120
 121 void ra() {
 122   // CHECK: call addrspace(0) void asm sideeffect "subi r30, $0", "ra"(i16 50)
 123   asm("subi r30, %0" :: "ra"(50));
 124 }
 125
 126 void ora() {
 127   // CHECK: call addrspace(0) i16 asm "subi r30, $0", "=ra"()
 128   asm("subi r30, %0" : "=ra"(data));
 129 }
 130
 131 void escapeChar(void) {
 132   asm("_foo:");
 133   // AVR25: call addrspace(0) void asm sideeffect "rcall _foo"
 134   // AVR51: call addrspace(0) void asm sideeffect "call _foo"
 135   // AVR6:  call addrspace(0) void asm sideeffect "call _foo"
 136   asm("%~call _foo" ::);
 137   // AVR25: call addrspace(0) void asm sideeffect "rjmp _foo"
 138   // AVR51: call addrspace(0) void asm sideeffect "jmp _foo"
 139   // AVR6:  call addrspace(0) void asm sideeffect "jmp _foo"
 140   asm("%~jmp _foo" ::);
 141   // AVR25: call addrspace(0) void asm sideeffect "icall"
 142   // AVR51: call addrspace(0) void asm sideeffect "icall"
 143   // AVR6:  call addrspace(0) void asm sideeffect "eicall"
 144   asm("%!icall" ::);
 145   // AVR25: call addrspace(0) void asm sideeffect "ijmp"
 146   // AVR51: call addrspace(0) void asm sideeffect "ijmp"
 147   // AVR6:  call addrspace(0) void asm sideeffect "eijmp"
 148   asm("%!ijmp" ::);
 149 }