[clang] [HLSL] remove double impelementation of log, sin, trunc intrinsics (PR #86440)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-x86

@llvm/pr-subscribers-clang

Author: Andrii Levitskiy (aabysswalker)

<details>
<summary>Changes</summary>

This change removes the log, log2, log10, sin, trunc intrinsics with parameters of type double as it is not available in the DCX compiler.

https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-log
https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-log2
https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-log10
https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-sin
https://learn.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-trunc

Closes #<!-- -->86189 

---
Full diff: https://github.com/llvm/llvm-project/pull/86440.diff


1 Files Affected:

- (modified) clang/lib/Headers/hlsl/hlsl_intrinsics.h (-45) 


``````````diff
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 5e703772b7ee4f..90e115521e02f6 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -737,15 +737,6 @@ float3 log(float3);
 _HLSL_BUILTIN_ALIAS(__builtin_elementwise_log)
 float4 log(float4);
 
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log)
-double log(double);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log)
-double2 log(double2);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log)
-double3 log(double3);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log)
-double4 log(double4);
-
 //===----------------------------------------------------------------------===//
 // log10 builtins
 //===----------------------------------------------------------------------===//
@@ -779,15 +770,6 @@ float3 log10(float3);
 _HLSL_BUILTIN_ALIAS(__builtin_elementwise_log10)
 float4 log10(float4);
 
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log10)
-double log10(double);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log10)
-double2 log10(double2);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log10)
-double3 log10(double3);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log10)
-double4 log10(double4);
-
 //===----------------------------------------------------------------------===//
 // log2 builtins
 //===----------------------------------------------------------------------===//
@@ -821,15 +803,6 @@ float3 log2(float3);
 _HLSL_BUILTIN_ALIAS(__builtin_elementwise_log2)
 float4 log2(float4);
 
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log2)
-double log2(double);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log2)
-double2 log2(double2);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log2)
-double3 log2(double3);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_log2)
-double4 log2(double4);
-
 //===----------------------------------------------------------------------===//
 // mad builtins
 //===----------------------------------------------------------------------===//
@@ -1393,15 +1366,6 @@ float3 sin(float3);
 _HLSL_BUILTIN_ALIAS(__builtin_elementwise_sin)
 float4 sin(float4);
 
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_sin)
-double sin(double);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_sin)
-double2 sin(double2);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_sin)
-double3 sin(double3);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_sin)
-double4 sin(double4);
-
 //===----------------------------------------------------------------------===//
 // sqrt builtins
 //===----------------------------------------------------------------------===//
@@ -1450,15 +1414,6 @@ float3 trunc(float3);
 _HLSL_BUILTIN_ALIAS(__builtin_elementwise_trunc)
 float4 trunc(float4);
 
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_trunc)
-double trunc(double);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_trunc)
-double2 trunc(double2);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_trunc)
-double3 trunc(double3);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_trunc)
-double4 trunc(double4);
-
 //===----------------------------------------------------------------------===//
 // Wave* builtins
 //===----------------------------------------------------------------------===//

``````````

</details>


https://github.com/llvm/llvm-project/pull/86440