clang/test/CodeGen/X86/inline-asm-gcc-regs.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -O2 %s -o - | FileCheck %s
   2
   3 // CHECK-LABEL: @test_r15
   4 // CHECK: call void asm sideeffect "", "{r15},~{dirflag},~{fpsr},~{flags}"(i32 undef)
   5 void test_r15() {
   6     register int a asm ("r15");
   7     asm ("" :: "r" (a));
   8 }
   9
  10 // CHECK-LABEL: @test_r16
  11 // CHECK: call void asm sideeffect "", "{r16},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  12 void test_r16() {
  13     register int a asm ("r16");
  14     asm ("" :: "r" (a));
  15 }
  16
  17 // CHECK-LABEL: @test_r17
  18 // CHECK: call void asm sideeffect "", "{r17},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  19 void test_r17() {
  20     register int a asm ("r17");
  21     asm ("" :: "r" (a));
  22 }
  23
  24 // CHECK-LABEL: @test_r18
  25 // CHECK: call void asm sideeffect "", "{r18},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  26 void test_r18() {
  27     register int a asm ("r18");
  28     asm ("" :: "r" (a));
  29 }
  30
  31 // CHECK-LABEL: @test_r19
  32 // CHECK: call void asm sideeffect "", "{r19},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  33 void test_r19() {
  34     register int a asm ("r19");
  35     asm ("" :: "r" (a));
  36 }
  37
  38 // CHECK-LABEL: @test_r20
  39 // CHECK: call void asm sideeffect "", "{r20},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  40 void test_r20() {
  41     register int a asm ("r20");
  42     asm ("" :: "r" (a));
  43 }
  44
  45 // CHECK-LABEL: @test_r21
  46 // CHECK: call void asm sideeffect "", "{r21},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  47 void test_r21() {
  48     register int a asm ("r21");
  49     asm ("" :: "r" (a));
  50 }
  51
  52 // CHECK-LABEL: @test_r22
  53 // CHECK: call void asm sideeffect "", "{r22},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  54 void test_r22() {
  55     register int a asm ("r22");
  56     asm ("" :: "r" (a));
  57 }
  58
  59 // CHECK-LABEL: @test_r23
  60 // CHECK: call void asm sideeffect "", "{r23},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  61 void test_r23() {
  62     register int a asm ("r23");
  63     asm ("" :: "r" (a));
  64 }
  65
  66 // CHECK-LABEL: @test_r24
  67 // CHECK: call void asm sideeffect "", "{r24},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  68 void test_r24() {
  69     register int a asm ("r24");
  70     asm ("" :: "r" (a));
  71 }
  72
  73 // CHECK-LABEL: @test_r25
  74 // CHECK: call void asm sideeffect "", "{r25},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  75 void test_r25() {
  76     register int a asm ("r25");
  77     asm ("" :: "r" (a));
  78 }
  79
  80 // CHECK-LABEL: @test_r26
  81 // CHECK: call void asm sideeffect "", "{r26},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  82 void test_r26() {
  83     register int a asm ("r26");
  84     asm ("" :: "r" (a));
  85 }
  86
  87 // CHECK-LABEL: @test_r27
  88 // CHECK: call void asm sideeffect "", "{r27},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  89 void test_r27() {
  90     register int a asm ("r27");
  91     asm ("" :: "r" (a));
  92 }
  93
  94 // CHECK-LABEL: @test_r28
  95 // CHECK: call void asm sideeffect "", "{r28},~{dirflag},~{fpsr},~{flags}"(i32 undef)
  96 void test_r28() {
  97     register int a asm ("r28");
  98     asm ("" :: "r" (a));
  99 }
 100
 101 // CHECK-LABEL: @test_r29
 102 // CHECK: call void asm sideeffect "", "{r29},~{dirflag},~{fpsr},~{flags}"(i32 undef)
 103 void test_r29() {
 104     register int a asm ("r29");
 105     asm ("" :: "r" (a));
 106 }
 107
 108 // CHECK-LABEL: @test_r30
 109 // CHECK: call void asm sideeffect "", "{r30},~{dirflag},~{fpsr},~{flags}"(i32 undef)
 110 void test_r30() {
 111     register int a asm ("r30");
 112     asm ("" :: "r" (a));
 113 }
 114
 115 // CHECK-LABEL: @test_r31
 116 // CHECK: call void asm sideeffect "", "{r31},~{dirflag},~{fpsr},~{flags}"(i32 undef)
 117 void test_r31() {
 118     register int a asm ("r31");
 119     asm ("" :: "r" (a));
 120 }
 121