xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/mips-inline-asm-modifiers.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang -target mipsel-unknown-linux -S -o - -emit-llvm %s \
2*f4a2713aSLionel Sambuc // RUN: | FileCheck %s
3*f4a2713aSLionel Sambuc 
4*f4a2713aSLionel Sambuc // This checks that the frontend will accept inline asm operand modifiers
5*f4a2713aSLionel Sambuc 
6*f4a2713aSLionel Sambuc int printf(const char*, ...);
7*f4a2713aSLionel Sambuc 
8*f4a2713aSLionel Sambuc typedef int v4i32 __attribute__((vector_size(16)));
9*f4a2713aSLionel Sambuc 
10*f4a2713aSLionel Sambuc   // CHECK: %{{[0-9]+}} = call i32 asm ".set noreorder;\0Alw    $0,$1;\0A.set reorder;\0A", "=r,*m"(i32* getelementptr inbounds ([8 x i32]* @b, i32 {{[0-9]+}}, i32 {{[0-9]+}})) #2,
11*f4a2713aSLionel Sambuc   // CHECK: %{{[0-9]+}} = call i32 asm "lw    $0,${1:D};\0A", "=r,*m"(i32* getelementptr inbounds ([8 x i32]* @b, i32 {{[0-9]+}}, i32 {{[0-9]+}})) #2,
12*f4a2713aSLionel Sambuc   // CHECK: %{{[0-9]+}} = call <4 x i32> asm "ldi.w ${0:w},1", "=f"
13*f4a2713aSLionel Sambuc int b[8] = {0,1,2,3,4,5,6,7};
14*f4a2713aSLionel Sambuc int  main()
15*f4a2713aSLionel Sambuc {
16*f4a2713aSLionel Sambuc   int i;
17*f4a2713aSLionel Sambuc   v4i32 v4i32_r;
18*f4a2713aSLionel Sambuc 
19*f4a2713aSLionel Sambuc   // The first word. Notice, no 'D'
20*f4a2713aSLionel Sambuc   {asm (
21*f4a2713aSLionel Sambuc   ".set noreorder;\n"
22*f4a2713aSLionel Sambuc   "lw    %0,%1;\n"
23*f4a2713aSLionel Sambuc   ".set reorder;\n"
24*f4a2713aSLionel Sambuc   : "=r" (i)
25*f4a2713aSLionel Sambuc   : "m" (*(b+4)));}
26*f4a2713aSLionel Sambuc 
27*f4a2713aSLionel Sambuc   printf("%d\n",i);
28*f4a2713aSLionel Sambuc 
29*f4a2713aSLionel Sambuc   // The second word
30*f4a2713aSLionel Sambuc   {asm (
31*f4a2713aSLionel Sambuc   "lw    %0,%D1;\n"
32*f4a2713aSLionel Sambuc   : "=r" (i)
33*f4a2713aSLionel Sambuc   : "m" (*(b+4))
34*f4a2713aSLionel Sambuc   );}
35*f4a2713aSLionel Sambuc 
36*f4a2713aSLionel Sambuc   // MSA registers
37*f4a2713aSLionel Sambuc   {asm ("ldi.w %w0,1" : "=f" (v4i32_r));}
38*f4a2713aSLionel Sambuc 
39*f4a2713aSLionel Sambuc   printf("%d\n",i);
40*f4a2713aSLionel Sambuc 
41*f4a2713aSLionel Sambuc   return 1;
42*f4a2713aSLionel Sambuc }
43