clang/test/CodeGen/msp430-register-names.c

   1 // Registers R0 - R3 have different names inside the LLVM MSP430 target code.
   2 // Test that they are handled properly when used inside clobber lists.
   3 // At the time of writing, llc silently ignores unknown register names.
   4
   5 // REQUIRES: msp430-registered-target
   6 // RUN: %clang -target msp430 -c %s -mllvm -stop-after=finalize-isel -o- | FileCheck %s
   7
   8 void test_function(void) {
   9   asm volatile(""
  10                :
  11                :
  12                : "r0");
  13   asm volatile(""
  14                :
  15                :
  16                : "r1");
  17   asm volatile(""
  18                :
  19                :
  20                : "r2");
  21   asm volatile(""
  22                :
  23                :
  24                : "r3");
  25   asm volatile(""
  26                :
  27                :
  28                : "r4");
  29   asm volatile(""
  30                :
  31                :
  32                : "r5");
  33   asm volatile(""
  34                :
  35                :
  36                : "r6");
  37   asm volatile(""
  38                :
  39                :
  40                : "r7");
  41   asm volatile(""
  42                :
  43                :
  44                : "r8");
  45   asm volatile(""
  46                :
  47                :
  48                : "r9");
  49   asm volatile(""
  50                :
  51                :
  52                : "r10");
  53   asm volatile(""
  54                :
  55                :
  56                : "r11");
  57   asm volatile(""
  58                :
  59                :
  60                : "r12");
  61   asm volatile(""
  62                :
  63                :
  64                : "r13");
  65   asm volatile(""
  66                :
  67                :
  68                : "r14");
  69   asm volatile(""
  70                :
  71                :
  72                : "r15");
  73   // CHECK: call void asm sideeffect "", "~{pc}"()
  74   // CHECK: call void asm sideeffect "", "~{sp}"()
  75   // CHECK: call void asm sideeffect "", "~{sr}"()
  76   // CHECK: call void asm sideeffect "", "~{cg}"()
  77   // CHECK: call void asm sideeffect "", "~{r4}"()
  78   // CHECK: call void asm sideeffect "", "~{r5}"()
  79   // CHECK: call void asm sideeffect "", "~{r6}"()
  80   // CHECK: call void asm sideeffect "", "~{r7}"()
  81   // CHECK: call void asm sideeffect "", "~{r8}"()
  82   // CHECK: call void asm sideeffect "", "~{r9}"()
  83   // CHECK: call void asm sideeffect "", "~{r10}"()
  84   // CHECK: call void asm sideeffect "", "~{r11}"()
  85   // CHECK: call void asm sideeffect "", "~{r12}"()
  86   // CHECK: call void asm sideeffect "", "~{r13}"()
  87   // CHECK: call void asm sideeffect "", "~{r14}"()
  88   // CHECK: call void asm sideeffect "", "~{r15}"()
  89   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $pc
  90   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $sp
  91   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $sr
  92   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $cg
  93   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r4
  94   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r5
  95   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r6
  96   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r7
  97   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r8
  98   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r9
  99   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r10
 100   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r11
 101   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r12
 102   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r13
 103   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r14
 104   // CHECK: INLINEASM &"", {{.*}} implicit-def early-clobber $r15
 105 }