================
@@ -0,0 +1,129 @@
+// RUN: %clang_cc1 -finclude-default-header
+// -triple dxil-pc-shadermodel6.6-library %s -emit-llvm-only
+// -disable-llvm-passes -verify -verify-ignore-unexpected
+
+int test_no_arg() {
+ return select();
+ // expected-error@-1 {{no matching function for call to 'select'}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template
+ // not viable: requires 3 arguments, but 0 were provided}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: requires 3 arguments, but 0 were provided}}
+}
+
+int test_too_few_args(bool p0) {
+ return select(p0);
+ // expected-error@-1 {{no matching function for call to 'select'}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: requires 3 arguments, but 1 was provided}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: requires 3 arguments, but 1 was provided}}
+}
+
+int test_too_many_args(bool p0, int t0, int f0, int g0) {
+ return select<int>(p0, t0, f0, g0);
+ // expected-error@-1 {{no matching function for call to 'select'}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: requires 3 arguments, but 4 were provided}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: requires 3 arguments, but 4 were provided}}
+}
+
+int test_select_first_arg_wrong_type(vector<int,1> p0, int t0, int f0) {
+ return select(p0, t0, f0);
+ // expected-error@-1 {{no matching function for call to 'select'}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: no known conversion from 'vector<int, 1>' (vector of 1 'int'
value)
+ // to 'bool' for 1st argument}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate template ignored: could
+ // not match 'vector<T, Sz>' against 'int'}}
+}
+
+vector<int,1> test_select_bool_vals_diff_vecs(bool p0, vector<int,1> t0,
+ vector<int,2> f0) {
+ return select<vector<int,1> >(p0, t0, f0);
+ // expected-warning@-1 {{implicit conversion truncates vector:
+ // 'vector<int, 2>' (vector of 2 'int' values) to 'vector<int, 1>'
+ // (vector of 1 'int' value)}}
+}
+
+vector<int,2> test_select_vector_vals_not_vecs(vector<bool,2> p0, int t0,
+ int f0) {
+ return select(p0, t0, f0);
+ // expected-error@-1 {{no matching function for call to 'select'}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate template ignored:
+ // could not match 'vector<T, Sz>' against 'int'}}
+ // expected-note@hlsl/hlsl_intrinsics.h:* {{candidate function template not
+ // viable: no known conversion from 'vector<bool, 2>'
+ // (vector of 2 'bool' values) to 'bool' for 1st argument}}
+}
+
+vector<int,1> test_select_vector_vals_wrong_size(vector<bool,2> p0,
+ vector<int,1> t0,
+ vector<int,2> f0) {
+ return select<int,1>(p0, t0, f0); // produce warnings
+ // expected-warning@-1 {{implicit conversion truncates vector:
+ // 'vector<bool, 2>' (vector of 2 'bool' values) to 'vector<bool, 1>'
+ // (vector of 1 'bool' value)}}
+ // expected-warning@-2 {{implicit conversion truncates vector:
+ // 'vector<int, 2>' (vector of 2 'int' values) to 'vector<int, 1>'
+ // (vector of 1 'int' value)}}
+}
+
+// __builtin_hlsl_select tests
+int test_select_builtin_wrong_arg_count(bool p0, int t0) {
+ return __builtin_hlsl_select(p0, t0);
+ // expected-error@-1 {{too few arguments to function call, expected 3,
+ // have 2}}
+}
+
+// not a bool or a vector of bool. should be 2 errors.
+int test_select_builtin_first_arg_wrong_type1(int p0, int t0, int f0) {
+ return __builtin_hlsl_select(p0, t0, f0);
+ // expected-error@-1 {{passing 'int' to parameter of incompatible type
+ // 'bool'}}
+ // expected-error@-2 {{First argument to __builtin_hlsl_select must be of
+ // vector type}}
+ }
+
+int test_select_builtin_first_arg_wrong_type2(vector<int,1> p0, int t0,
+ int f0) {
+ return __builtin_hlsl_select(p0, t0, f0);
+ // expected-error@-1 {{passing 'vector<int, 1>' (vector of 1 'int' value) to
+ // parameter of incompatible type 'bool'}}
+ // expected-error@-2 {{First argument to __builtin_hlsl_select must be of
+ // vector type}}
+}
+
+// if a bool last 2 args are of same type
+int test_select_builtin_bool_incompatible_args(bool p0, int t0, double f0) {
+ return __builtin_hlsl_select(p0, t0, f0);
+ // expected-error@-1 {{arguments are of different types ('int' vs 'double')}}
+}
+
+// if a vector second arg isnt a vector
+vector<int,2> test_select_builtin_second_arg_not_vector(vector<bool,2> p0,
+ int t0,
+ vector<int,2> f0) {
+ return __builtin_hlsl_select(p0, t0, f0);
+ // expected-error@-1 {{Second argument to __builtin_hlsl_select must be of
+ // vector type}}
+}
+
+// if a vector third arg isn't a vector
+vector<int,2> test_select_builtin_second_arg_not_vector(vector<bool,2> p0,
+ vector<int,2> t0,
+ int f0) {
+ return __builtin_hlsl_select(p0, t0, f0);
+ // expected-error@-1 {{Third argument to __builtin_hlsl_select must be of
+ // vector type}}
+}
+
+// if vector last 2 aren't same type (so both are vectors but wrong type)
+vector<int,2> test_select_builtin_diff_types(vector<bool,1> p0,
+ vector<int,1> t0,
+ vector<float,1> f0) {
+ return __builtin_hlsl_select(p0, t0, f0);
+ // expected-error@-1 {{arguments are of different types ('vector<int, [...]>'
+ // vs 'vector<float, [...]>')}}
+}
----------------
farzonl wrote:
add a new line
https://github.com/llvm/llvm-project/pull/107129
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