43 lines · c
1// RUN: %clang_cc1 -triple mipsel-unknown-linux -o - -emit-llvm %s \2// RUN: | FileCheck %s3 4// This checks that the frontend will accept inline asm operand modifiers5 6int printf(const char*, ...);7 8typedef 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}"(ptr elementtype(i32) getelementptr inbounds (i32, ptr @b, i32 {{[0-9]+}})) #2,11 // CHECK: %{{[0-9]+}} = call i32 asm "lw $0,${1:D};\0A", "=r,*m,~{$1}"(ptr elementtype(i32) getelementptr inbounds (i32, ptr @b, i32 {{[0-9]+}})) #2,12 // CHECK: %{{[0-9]+}} = call <4 x i32> asm "ldi.w ${0:w},1", "=f,~{$1}"13int b[8] = {0,1,2,3,4,5,6,7};14int 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 word30 {asm (31 "lw %0,%D1;\n"32 : "=r" (i)33 : "m" (*(b+4))34 );}35 36 // MSA registers37 {asm ("ldi.w %w0,1" : "=f" (v4i32_r));}38 39 printf("%d\n",i);40 41 return 1;42}43