[clang] [llvm] [HLSL] Move `lerp` implementation to header files (PR #215692)

[Kaitlin Peng via llvm-commits]

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@@ -1,130 +0,0 @@
-// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -fnative-int16-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected=note
-
-float2 test_no_second_arg(float2 p0) {
-  return __builtin_hlsl_lerp(p0);
-  // expected-error at -1 {{too few arguments to function call, expected 3, have 1}}
-}
-
-float2 test_no_third_arg(float2 p0) {
-  return __builtin_hlsl_lerp(p0, p0);
-  // expected-error at -1 {{too few arguments to function call, expected 3, have 2}}
-}
-
-float2 test_too_many_arg(float2 p0) {
-  return __builtin_hlsl_lerp(p0, p0, p0, p0);
-  // expected-error at -1 {{too many arguments to function call, expected 3, have 4}}
-}
-
-float2 test_lerp_no_second_arg(float2 p0) {
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kmpeng wrote:

Yes, there's no lerp specific error handling left. See this thread for a more in-depth discussion: https://github.com/llvm/llvm-project/pull/215379#discussion_r3753231035

https://github.com/llvm/llvm-project/pull/215692