================
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -finclude-default-header -triple
dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only
-disable-llvm-passes -verify
+
+float test_too_few_arg() {
+ return __builtin_hlsl_dot2add();
+ // expected-error@-1 {{too few arguments to function call, expected 3, have
0}}
+}
+
+float test_too_many_arg(half2 p1, half2 p2, float p3) {
+ return __builtin_hlsl_dot2add(p1, p2, p3, p1);
+ // expected-error@-1 {{too many arguments to function call, expected 3, have
4}}
+}
+
+float test_float_arg2_type(half2 p1, float2 p2, float p3) {
+ return __builtin_hlsl_dot2add(p1, p2, p3);
+ // expected-error@-1 {{passing 'float2' (aka 'vector<float, 2>') to
parameter of incompatible type '__attribute__((__vector_size__(2 *
sizeof(half)))) half' (vector of 2 'half' values)}}
+}
+
+float test_float_arg1_type(float2 p1, half2 p2, float p3) {
+ return __builtin_hlsl_dot2add(p1, p2, p3);
+ // expected-error@-1 {{passing 'float2' (aka 'vector<float, 2>') to
parameter of incompatible type '__attribute__((__vector_size__(2 *
sizeof(half)))) half' (vector of 2 'half' values)}}
+}
+
+float test_double_arg3_type(half2 p1, half2 p2, double p3) {
+ return __builtin_hlsl_dot2add(p1, p2, p3);
+ // expected-error@-1 {{passing 'double' to parameter of incompatible type
'float'}}
+}
+
+float test_float_arg1_arg2_type(float2 p1, float2 p2, float p3) {
+ return __builtin_hlsl_dot2add(p1, p2, p3);
+ // expected-error@-1 {{passing 'float2' (aka 'vector<float, 2>') to
parameter of incompatible type '__attribute__((__vector_size__(2 *
sizeof(half)))) half' (vector of 2 'half' values)}}
+}
+
+float test_int16_arg1_arg2_type(int16_t2 p1, int16_t2 p2, float p3) {
+ return __builtin_hlsl_dot2add(p1, p2, p3);
+ // expected-error@-1 {{passing 'int16_t2' (aka 'vector<int16_t, 2>') to
parameter of incompatible type '__attribute__((__vector_size__(2 *
sizeof(half)))) half' (vector of 2 'half' values)}}
+}
----------------
farzonl wrote:
Now that the builtin defines the vector size we should test that we get errors
for different vector sizes. We also need tests for `dot2add` test aswell
without using the builtin since the builtin is just for the directX resolutions
while the `dot2add` covers all targets.
https://github.com/llvm/llvm-project/pull/131237
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