[clang] Implementing `asfloat` using `bit_cast` (PR #108686)
Farzon Lotfi via cfe-commits
cfe-commits at lists.llvm.org
Mon Sep 16 10:48:03 PDT 2024
================
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -verify
+
+
+float4 test_float_too_many_arg(float p0, float p1) {
+ return asfloat(p0, p1);
+ // expected-error at -1 {{no matching function for call to 'asfloat'}}
+ // expected-note at hlsl/hlsl_intrinsics.h:* {{candidate function template not viable: requires single argument 'V', but 2 arguments were provided}}
+ // expected-note at hlsl/hlsl_intrinsics.h:* {{candidate function template not viable: requires single argument 'F', but 2 arguments were provided}}
+}
+
+
+float test_float_double(double p1) {
+ return asfloat(p1);
+ // expected-error at hlsl/hlsl_intrinsics.h:* {{no matching function for call to 'bit_cast'}}
+ // expected-note at -2 {{in instantiation of function template specialization 'hlsl::asfloat<double>'}}
+ // expected-note at hlsl/hlsl_detail.h:* {{candidate template ignored: could not match 'vector<double, N>' against 'double'}}
+ // expected-note at hlsl/hlsl_detail.h:* {{candidate template ignored: substitution failure [with U = float, T = double]: no type named 'Type'}}
+}
+
+float test_float_half(half p1) {
+ return asfloat(p1);
+ // expected-error at hlsl/hlsl_intrinsics.h:* {{no matching function for call to 'bit_cast'}}
+ // expected-note at -2 {{in instantiation of function template specialization 'hlsl::asfloat<half>'}}
+ // expected-note at hlsl/hlsl_detail.h:* {{candidate template ignored: could not match 'vector<half, N>' against 'half'}}
+ // expected-note at hlsl/hlsl_detail.h:* {{candidate template ignored: substitution failure [with U = float, T = half]: no type named 'Type'}}
+}
+
+
+float test_float_half(bool p1) {
+ return asfloat(p1);
+ // expected-error at hlsl/hlsl_intrinsics.h:* {{no matching function for call to 'bit_cast'}}
+ // expected-note at -2 {{in instantiation of function template specialization 'hlsl::asfloat<bool>'}}
+ // expected-note at hlsl/hlsl_detail.h:* {{candidate template ignored: could not match 'vector<bool, N>' against 'bool'}}
+ // expected-note at hlsl/hlsl_detail.h:* {{candidate template ignored: substitution failure [with U = float, T = bool]: no type named 'Type'}}
+}
----------------
farzonl wrote:
add a new line
https://github.com/llvm/llvm-project/pull/108686
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