llvm/clang/test/Sema/uninit-variables-riscv-vector.c

// RUN: %clang_cc1 -triple riscv64 -Wuninitialized -fsyntax-only -target-feature +v %s -verify

#pragma clang riscv intrinsic vector

void test1(int *input, long vl) {
  __rvv_int32m1_t x, y, z, w, X; // expected-note {{variable 'x' is declared here}} expected-note {{variable 'y' is declared here}} expected-note {{variable 'w' is declared here}}  expected-note {{variable 'z' is declared here}}
  x = __riscv_vxor_vv_i32m1(x,x, vl); // expected-warning {{variable 'x' is uninitialized when used here}}
  y = __riscv_vxor_vv_i32m1(y,y, vl); // expected-warning {{variable 'y' is uninitialized when used here}}
  z = __riscv_vxor_vv_i32m1(z,z, vl); // expected-warning {{variable 'z' is uninitialized when used here}}
  w = __riscv_vxor_vv_i32m1(w,w, vl); // expected-warning {{variable 'w' is uninitialized when used here}}
  X = __riscv_vle32_v_i32m1(&input[0], vl);
  X = __riscv_vxor_vv_i32m1(X,X, vl); // no-warning
}