clang/test/CodeGenOpenCL/inline-asm-amdgcn.cl

   1 // REQUIRES: amdgpu-registered-target
   2 // RUN: %clang_cc1 -emit-llvm -O0 -o - -triple amdgcn %s | FileCheck %s
   3
   4 typedef float float32 __attribute__((ext_vector_type(32)));
   5
   6 kernel void test_long(int arg0) {
   7   long v15_16;
   8   // CHECK: call i64 asm sideeffect "v_lshlrev_b64 v[15:16], 0, $0", "={v[15:16]},v"
   9   __asm volatile("v_lshlrev_b64 v[15:16], 0, %0" : "={v[15:16]}"(v15_16) : "v"(arg0));
  10 }
  11
  12 kernel void test_agpr() {
  13   float32 acc_c;
  14   float reg_a;
  15   float reg_b;
  16   float32 reg_c;
  17   // CHECK:  call <32 x float> asm "v_mfma_f32_32x32x1f32 $0, $1, $2, $3", "=a,v,v,a,~{a0},~{a1},~{a2},~{a3},~{a4},~{a5},~{a6},~{a7},~{a8},~{a9},~{a10},~{a11},~{a12},~{a13},~{a14},~{a15},~{a16},~{a17},~{a18},~{a19},~{a20},~{a21},~{a22},~{a23},~{a24},~{a25},~{a26},~{a27},~{a28},~{a29},~{a30},~{a31}"
  18   __asm ("v_mfma_f32_32x32x1f32 %0, %1, %2, %3"
  19          : "=a"(acc_c)
  20          : "v"(reg_a), "v"(reg_b), "a"(reg_c)
  21          : "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
  22            "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
  23            "a16", "a17", "a18", "a19", "a20", "a21", "a22", "a23",
  24            "a24", "a25", "a26", "a27", "a28", "a29", "a30", "a31");
  25
  26    // CHECK: call <32 x float> asm sideeffect "v_mfma_f32_32x32x1f32 a[0:31], $0, $1, a[0:31]", "={a[0:31]},v,v,{a[0:31]}"
  27   __asm volatile("v_mfma_f32_32x32x1f32 a[0:31], %0, %1, a[0:31]"
  28                  : "={a[0:31]}"(acc_c)
  29                  : "v"(reg_a),"v"(reg_b), "{a[0:31]}"(reg_c));
  30
  31   // CHECK: call float asm "v_accvgpr_read_b32 $0, $1", "={a1},{a1}"
  32   __asm ("v_accvgpr_read_b32 %0, %1"
  33          : "={a1}"(reg_a)
  34          : "{a1}"(reg_b));
  35 }
  36
  37 kernel void test_constraint_DA() {
  38   const long x = 0x200000001;
  39   int res;
  40   // CHECK: call i32 asm sideeffect "v_mov_b32 $0, $1 & 0xFFFFFFFF", "=v,^DA"(i64 8589934593)
  41   __asm volatile("v_mov_b32 %0, %1 & 0xFFFFFFFF" : "=v"(res) : "DA"(x));
  42 }
  43
  44 kernel void test_constraint_DB() {
  45   const long x = 0x200000001;
  46   int res;
  47   // CHECK: call i32 asm sideeffect "v_mov_b32 $0, $1 & 0xFFFFFFFF", "=v,^DB"(i64 8589934593)
  48   __asm volatile("v_mov_b32 %0, %1 & 0xFFFFFFFF" : "=v"(res) : "DB"(x));
  49 }