clang/test/CodeGen/mips-inline-asm-modifiers.c

   1 // RUN: %clang_cc1 -no-opaque-pointers -triple mipsel-unknown-linux -o - -emit-llvm %s \
   2 // RUN: | FileCheck %s
   3
   4 // This checks that the frontend will accept inline asm operand modifiers
   5
   6 int printf(const char*, ...);
   7
   8 typedef int v4i32 __attribute__((vector_size(16)));
   9
  10   // CHECK: %{{[0-9]+}} = call i32 asm ".set noreorder;\0Alw    $0,$1;\0A.set reorder;\0A", "=r,*m,~{$1}"(i32* elementtype(i32) getelementptr inbounds ([8 x i32], [8 x i32]* @b, i32 {{[0-9]+}}, i32 {{[0-9]+}})) #2,
  11   // CHECK: %{{[0-9]+}} = call i32 asm "lw    $0,${1:D};\0A", "=r,*m,~{$1}"(i32* elementtype(i32) getelementptr inbounds ([8 x i32], [8 x i32]* @b, i32 {{[0-9]+}}, i32 {{[0-9]+}})) #2,
  12   // CHECK: %{{[0-9]+}} = call <4 x i32> asm "ldi.w ${0:w},1", "=f,~{$1}"
  13 int b[8] = {0,1,2,3,4,5,6,7};
  14 int  main(void)
  15 {
  16   int i;
  17   v4i32 v4i32_r;
  18
  19   // The first word. Notice, no 'D'
  20   {asm (
  21   ".set noreorder;\n"
  22   "lw    %0,%1;\n"
  23   ".set reorder;\n"
  24   : "=r" (i)
  25   : "m" (*(b+4)));}
  26
  27   printf("%d\n",i);
  28
  29   // The second word
  30   {asm (
  31   "lw    %0,%D1;\n"
  32   : "=r" (i)
  33   : "m" (*(b+4))
  34   );}
  35
  36   // MSA registers
  37   {asm ("ldi.w %w0,1" : "=f" (v4i32_r));}
  38
  39   printf("%d\n",i);
  40
  41   return 1;
  42 }