llvm-project/clang/test/CodeGen/hexagon-inline-asm.c

// RUN: %clang_cc1 -triple hexagon-unknown-elf -target-feature +hvx -target-feature +hvx-length64b -emit-llvm -o - %s | FileCheck %s

typedef int v64 __attribute__((__vector_size__(64)))
    __attribute__((aligned(64)));

int g;

void foo(v64 v0, v64 v1, v64 *p) {
  int r;
  v64 q0;
  asm ("%0 = vgtw(%1.w,%2.w)" : "=q"(q0) : "v"(v0), "v"(v1));
// CHECK: call <16 x i32> asm "$0 = vgtw($1.w,$2.w)", "=q,v,v"(<16 x i32>{{.*}}, <16 x i32>{{.*}})
  *p = q0;

  asm ("%0 = memw(##%1)" : "=r"(r) : "s"(&g));
// CHECK: call i32 asm "$0 = memw(##$1)", "=r,s"(i32* @g)
}

void fred(unsigned *p, unsigned m, unsigned v) {
  asm ("memw(%0++%1) = %2" : : "r"(p),"a"(m),"r"(v) : "memory");
// CHECK: call void asm sideeffect "memw($0++$1) = $2", "r,a,r,~{memory}"(i32* %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
}