Home | History | Annotate | Download | only in CodeGen
      1 // RUN: %clang -target mipsel-unknown-linux -S -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* 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* 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()
     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 }
     43