https://github.com/frasercrmck updated
https://github.com/llvm/llvm-project/pull/119596
>From 68df2622a3ca1b98a0cbf1fc9e6200e12fecbb2e Mon Sep 17 00:00:00 2001
From: Fraser Cormack <fra...@codeplay.com>
Date: Wed, 11 Dec 2024 17:28:38 +0000
Subject: [PATCH 1/2] [libclc] Optimize ceil/fabs/floor/rint/trunc
These functions all map to the corresponding LLVM intrinsics, but the
vector intrinsics weren't being generated. The intrinsic mapping from
CLC vector function to vector intrinsic was working correctly, but the
mapping from OpenCL builtin to CLC function was suboptimally recursively
splitting vectors in halves.
For example, with this change, `ceil(float16)` calls `llvm.ceil.v16f32`
directly.
The CLC versions of each of these builtins are also now enabled for
SPIR-V targets. The LLVM -> SPIR-V translator maps the intrinsics to the
appropriate OpExtInst. As such, there is no diff to the SPIR-V binaries
before/after this change.
The clspv targets show a difference, but it's not expected to be a
problem:
> %call = tail call spir_func double @llvm.fabs.f64(double noundef %x) #9
< %call = tail call spir_func double @_Z4fabsd(double noundef %x) #9
The AMDGPU targets make use of the same _CLC_DEFINE_UNARY_BUILTIN macro
to override sqrt, so those functions also appear more optimal with this
change, calling the vector `llvm.sqrt.vXf32` intrinsics directly.
---
libclc/clc/include/clc/clcmacro.h | 16 +++++++++++++++-
libclc/clc/include/clc/math/clc_ceil.h | 7 -------
libclc/clc/include/clc/math/clc_fabs.h | 7 -------
libclc/clc/include/clc/math/clc_floor.h | 7 -------
libclc/clc/include/clc/math/clc_rint.h | 7 -------
libclc/clc/include/clc/math/clc_trunc.h | 7 -------
6 files changed, 15 insertions(+), 36 deletions(-)
diff --git a/libclc/clc/include/clc/clcmacro.h
b/libclc/clc/include/clc/clcmacro.h
index 244239284ecabc..c6583749eca661 100644
--- a/libclc/clc/include/clc/clcmacro.h
+++ b/libclc/clc/include/clc/clcmacro.h
@@ -191,7 +191,21 @@
#define _CLC_DEFINE_UNARY_BUILTIN(RET_TYPE, FUNCTION, BUILTIN, ARG1_TYPE)
\
_CLC_DEF _CLC_OVERLOAD RET_TYPE FUNCTION(ARG1_TYPE x) { return BUILTIN(x); }
\
- _CLC_UNARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, RET_TYPE, FUNCTION, ARG1_TYPE)
+ _CLC_DEF _CLC_OVERLOAD RET_TYPE##2 FUNCTION(ARG1_TYPE##2 x) {
\
+ return BUILTIN(x);
\
+ }
\
+ _CLC_DEF _CLC_OVERLOAD RET_TYPE##3 FUNCTION(ARG1_TYPE##3 x) {
\
+ return BUILTIN(x);
\
+ }
\
+ _CLC_DEF _CLC_OVERLOAD RET_TYPE##4 FUNCTION(ARG1_TYPE##4 x) {
\
+ return BUILTIN(x);
\
+ }
\
+ _CLC_DEF _CLC_OVERLOAD RET_TYPE##8 FUNCTION(ARG1_TYPE##8 x) {
\
+ return BUILTIN(x);
\
+ }
\
+ _CLC_DEF _CLC_OVERLOAD RET_TYPE##16 FUNCTION(ARG1_TYPE##16 x) {
\
+ return BUILTIN(x);
\
+ }
#ifdef cl_khr_fp16
diff --git a/libclc/clc/include/clc/math/clc_ceil.h
b/libclc/clc/include/clc/math/clc_ceil.h
index 66590687c34220..905aef37e11c66 100644
--- a/libclc/clc/include/clc/math/clc_ceil.h
+++ b/libclc/clc/include/clc/math/clc_ceil.h
@@ -1,11 +1,6 @@
#ifndef __CLC_MATH_CLC_CEIL_H__
#define __CLC_MATH_CLC_CEIL_H__
-#if defined(CLC_CLSPV) || defined(CLC_SPIRV)
-// clspv and spir-v targets provide their own OpenCL-compatible ceil
-#define __clc_ceil ceil
-#else
-
// Map the function to an LLVM intrinsic
#define __CLC_FUNCTION __clc_ceil
#define __CLC_INTRINSIC "llvm.ceil"
@@ -14,6 +9,4 @@
#undef __CLC_INTRINSIC
#undef __CLC_FUNCTION
-#endif
-
#endif // __CLC_MATH_CLC_CEIL_H__
diff --git a/libclc/clc/include/clc/math/clc_fabs.h
b/libclc/clc/include/clc/math/clc_fabs.h
index 93367b57313713..525577ab98a389 100644
--- a/libclc/clc/include/clc/math/clc_fabs.h
+++ b/libclc/clc/include/clc/math/clc_fabs.h
@@ -1,11 +1,6 @@
#ifndef __CLC_MATH_CLC_FABS_H__
#define __CLC_MATH_CLC_FABS_H__
-#if defined(CLC_CLSPV) || defined(CLC_SPIRV)
-// clspv and spir-v targets provide their own OpenCL-compatible fabs
-#define __clc_fabs fabs
-#else
-
// Map the function to an LLVM intrinsic
#define __CLC_FUNCTION __clc_fabs
#define __CLC_INTRINSIC "llvm.fabs"
@@ -14,6 +9,4 @@
#undef __CLC_INTRINSIC
#undef __CLC_FUNCTION
-#endif
-
#endif // __CLC_MATH_CLC_FABS_H__
diff --git a/libclc/clc/include/clc/math/clc_floor.h
b/libclc/clc/include/clc/math/clc_floor.h
index 9919872ec633c6..e2d9dbadb434db 100644
--- a/libclc/clc/include/clc/math/clc_floor.h
+++ b/libclc/clc/include/clc/math/clc_floor.h
@@ -1,11 +1,6 @@
#ifndef __CLC_MATH_CLC_FLOOR_H__
#define __CLC_MATH_CLC_FLOOR_H__
-#if defined(CLC_CLSPV) || defined(CLC_SPIRV)
-// clspv and spir-v targets provide their own OpenCL-compatible floor
-#define __clc_floor floor
-#else
-
// Map the function to an LLVM intrinsic
#define __CLC_FUNCTION __clc_floor
#define __CLC_INTRINSIC "llvm.floor"
@@ -14,6 +9,4 @@
#undef __CLC_INTRINSIC
#undef __CLC_FUNCTION
-#endif
-
#endif // __CLC_MATH_CLC_FLOOR_H__
diff --git a/libclc/clc/include/clc/math/clc_rint.h
b/libclc/clc/include/clc/math/clc_rint.h
index 3761407ad326d7..7bb81100f221c0 100644
--- a/libclc/clc/include/clc/math/clc_rint.h
+++ b/libclc/clc/include/clc/math/clc_rint.h
@@ -1,11 +1,6 @@
#ifndef __CLC_MATH_CLC_RINT_H__
#define __CLC_MATH_CLC_RINT_H__
-#if defined(CLC_CLSPV) || defined(CLC_SPIRV)
-// clspv and spir-v targets provide their own OpenCL-compatible rint
-#define __clc_rint rint
-#else
-
// Map the function to an LLVM intrinsic
#define __CLC_FUNCTION __clc_rint
#define __CLC_INTRINSIC "llvm.rint"
@@ -14,6 +9,4 @@
#undef __CLC_INTRINSIC
#undef __CLC_FUNCTION
-#endif
-
#endif // __CLC_MATH_CLC_RINT_H__
diff --git a/libclc/clc/include/clc/math/clc_trunc.h
b/libclc/clc/include/clc/math/clc_trunc.h
index c78c8899d85238..62467fa1144713 100644
--- a/libclc/clc/include/clc/math/clc_trunc.h
+++ b/libclc/clc/include/clc/math/clc_trunc.h
@@ -1,11 +1,6 @@
#ifndef __CLC_MATH_CLC_TRUNC_H__
#define __CLC_MATH_CLC_TRUNC_H__
-#if defined(CLC_CLSPV) || defined(CLC_SPIRV)
-// clspv and spir-v targets provide their own OpenCL-compatible trunc
-#define __clc_trunc trunc
-#else
-
// Map the function to an LLVM intrinsic
#define __CLC_FUNCTION __clc_trunc
#define __CLC_INTRINSIC "llvm.trunc"
@@ -14,6 +9,4 @@
#undef __CLC_INTRINSIC
#undef __CLC_FUNCTION
-#endif
-
#endif // __CLC_MATH_CLC_TRUNC_H__
>From c825dc0766cd38c4950259cad18098e9d9950e74 Mon Sep 17 00:00:00 2001
From: Fraser Cormack <fra...@codeplay.com>
Date: Thu, 12 Dec 2024 12:36:44 +0000
Subject: [PATCH 2/2] move away from using intrinsics
---
libclc/clc/include/clc/math/clc_ceil.h | 8 ++++----
libclc/clc/include/clc/math/clc_fabs.h | 8 ++++----
libclc/clc/include/clc/math/clc_floor.h | 8 ++++----
libclc/clc/include/clc/math/clc_rint.h | 8 ++++----
libclc/clc/include/clc/math/clc_trunc.h | 8 ++++----
.../lib => clc/include/clc}/math/unary_builtin.inc | 0
libclc/clc/lib/clspv/SOURCES | 6 +++++-
libclc/clc/lib/clspv/dummy.cl | 1 -
libclc/clc/lib/generic/SOURCES | 5 +++++
libclc/clc/lib/generic/math/clc_ceil.cl | 6 ++++++
libclc/clc/lib/generic/math/clc_fabs.cl | 6 ++++++
libclc/clc/lib/generic/math/clc_floor.cl | 6 ++++++
libclc/clc/lib/generic/math/clc_rint.cl | 6 ++++++
libclc/clc/lib/generic/math/clc_trunc.cl | 6 ++++++
libclc/clc/lib/spirv/SOURCES | 6 +++++-
libclc/clc/lib/spirv64/SOURCES | 5 +++++
libclc/generic/lib/math/ceil.cl | 2 +-
libclc/generic/lib/math/fabs.cl | 2 +-
libclc/generic/lib/math/floor.cl | 2 +-
libclc/generic/lib/math/rint.cl | 2 +-
libclc/generic/lib/math/round.cl | 2 +-
libclc/generic/lib/math/sqrt.cl | 2 +-
libclc/generic/lib/math/trunc.cl | 2 +-
23 files changed, 77 insertions(+), 30 deletions(-)
rename libclc/{generic/lib => clc/include/clc}/math/unary_builtin.inc (100%)
delete mode 100644 libclc/clc/lib/clspv/dummy.cl
create mode 100644 libclc/clc/lib/generic/math/clc_ceil.cl
create mode 100644 libclc/clc/lib/generic/math/clc_fabs.cl
create mode 100644 libclc/clc/lib/generic/math/clc_floor.cl
create mode 100644 libclc/clc/lib/generic/math/clc_rint.cl
create mode 100644 libclc/clc/lib/generic/math/clc_trunc.cl
diff --git a/libclc/clc/include/clc/math/clc_ceil.h
b/libclc/clc/include/clc/math/clc_ceil.h
index 905aef37e11c66..20adc6d81d863f 100644
--- a/libclc/clc/include/clc/math/clc_ceil.h
+++ b/libclc/clc/include/clc/math/clc_ceil.h
@@ -1,12 +1,12 @@
#ifndef __CLC_MATH_CLC_CEIL_H__
#define __CLC_MATH_CLC_CEIL_H__
-// Map the function to an LLVM intrinsic
+#define __CLC_BODY <clc/math/unary_decl.inc>
#define __CLC_FUNCTION __clc_ceil
-#define __CLC_INTRINSIC "llvm.ceil"
-#include <clc/math/unary_intrin.inc>
-#undef __CLC_INTRINSIC
+#include <clc/math/gentype.inc>
+
+#undef __CLC_BODY
#undef __CLC_FUNCTION
#endif // __CLC_MATH_CLC_CEIL_H__
diff --git a/libclc/clc/include/clc/math/clc_fabs.h
b/libclc/clc/include/clc/math/clc_fabs.h
index 525577ab98a389..911d34f78c7d25 100644
--- a/libclc/clc/include/clc/math/clc_fabs.h
+++ b/libclc/clc/include/clc/math/clc_fabs.h
@@ -1,12 +1,12 @@
#ifndef __CLC_MATH_CLC_FABS_H__
#define __CLC_MATH_CLC_FABS_H__
-// Map the function to an LLVM intrinsic
+#define __CLC_BODY <clc/math/unary_decl.inc>
#define __CLC_FUNCTION __clc_fabs
-#define __CLC_INTRINSIC "llvm.fabs"
-#include <clc/math/unary_intrin.inc>
-#undef __CLC_INTRINSIC
+#include <clc/math/gentype.inc>
+
+#undef __CLC_BODY
#undef __CLC_FUNCTION
#endif // __CLC_MATH_CLC_FABS_H__
diff --git a/libclc/clc/include/clc/math/clc_floor.h
b/libclc/clc/include/clc/math/clc_floor.h
index e2d9dbadb434db..c311cc0edae151 100644
--- a/libclc/clc/include/clc/math/clc_floor.h
+++ b/libclc/clc/include/clc/math/clc_floor.h
@@ -1,12 +1,12 @@
#ifndef __CLC_MATH_CLC_FLOOR_H__
#define __CLC_MATH_CLC_FLOOR_H__
-// Map the function to an LLVM intrinsic
+#define __CLC_BODY <clc/math/unary_decl.inc>
#define __CLC_FUNCTION __clc_floor
-#define __CLC_INTRINSIC "llvm.floor"
-#include <clc/math/unary_intrin.inc>
-#undef __CLC_INTRINSIC
+#include <clc/math/gentype.inc>
+
+#undef __CLC_BODY
#undef __CLC_FUNCTION
#endif // __CLC_MATH_CLC_FLOOR_H__
diff --git a/libclc/clc/include/clc/math/clc_rint.h
b/libclc/clc/include/clc/math/clc_rint.h
index 7bb81100f221c0..6faeed0b5696e5 100644
--- a/libclc/clc/include/clc/math/clc_rint.h
+++ b/libclc/clc/include/clc/math/clc_rint.h
@@ -1,12 +1,12 @@
#ifndef __CLC_MATH_CLC_RINT_H__
#define __CLC_MATH_CLC_RINT_H__
-// Map the function to an LLVM intrinsic
+#define __CLC_BODY <clc/math/unary_decl.inc>
#define __CLC_FUNCTION __clc_rint
-#define __CLC_INTRINSIC "llvm.rint"
-#include <clc/math/unary_intrin.inc>
-#undef __CLC_INTRINSIC
+#include <clc/math/gentype.inc>
+
+#undef __CLC_BODY
#undef __CLC_FUNCTION
#endif // __CLC_MATH_CLC_RINT_H__
diff --git a/libclc/clc/include/clc/math/clc_trunc.h
b/libclc/clc/include/clc/math/clc_trunc.h
index 62467fa1144713..acfc9d5db48117 100644
--- a/libclc/clc/include/clc/math/clc_trunc.h
+++ b/libclc/clc/include/clc/math/clc_trunc.h
@@ -1,12 +1,12 @@
#ifndef __CLC_MATH_CLC_TRUNC_H__
#define __CLC_MATH_CLC_TRUNC_H__
-// Map the function to an LLVM intrinsic
+#define __CLC_BODY <clc/math/unary_decl.inc>
#define __CLC_FUNCTION __clc_trunc
-#define __CLC_INTRINSIC "llvm.trunc"
-#include <clc/math/unary_intrin.inc>
-#undef __CLC_INTRINSIC
+#include <clc/math/gentype.inc>
+
+#undef __CLC_BODY
#undef __CLC_FUNCTION
#endif // __CLC_MATH_CLC_TRUNC_H__
diff --git a/libclc/generic/lib/math/unary_builtin.inc
b/libclc/clc/include/clc/math/unary_builtin.inc
similarity index 100%
rename from libclc/generic/lib/math/unary_builtin.inc
rename to libclc/clc/include/clc/math/unary_builtin.inc
diff --git a/libclc/clc/lib/clspv/SOURCES b/libclc/clc/lib/clspv/SOURCES
index 75a3130357c345..393e8d773cda0e 100644
--- a/libclc/clc/lib/clspv/SOURCES
+++ b/libclc/clc/lib/clspv/SOURCES
@@ -1 +1,5 @@
-dummy.cl
+../generic/math/clc_ceil.cl
+../generic/math/clc_fabs.cl
+../generic/math/clc_floor.cl
+../generic/math/clc_rint.cl
+../generic/math/clc_trunc.cl
diff --git a/libclc/clc/lib/clspv/dummy.cl b/libclc/clc/lib/clspv/dummy.cl
deleted file mode 100644
index fab17ac780e375..00000000000000
--- a/libclc/clc/lib/clspv/dummy.cl
+++ /dev/null
@@ -1 +0,0 @@
-// Empty file
diff --git a/libclc/clc/lib/generic/SOURCES b/libclc/clc/lib/generic/SOURCES
index d7ffaaf6dc3f42..3916ea15f5c458 100644
--- a/libclc/clc/lib/generic/SOURCES
+++ b/libclc/clc/lib/generic/SOURCES
@@ -1,6 +1,11 @@
geometric/clc_dot.cl
integer/clc_abs.cl
integer/clc_abs_diff.cl
+math/clc_ceil.cl
+math/clc_fabs.cl
+math/clc_floor.cl
+math/clc_rint.cl
+math/clc_trunc.cl
relational/clc_all.cl
relational/clc_any.cl
relational/clc_bitselect.cl
diff --git a/libclc/clc/lib/generic/math/clc_ceil.cl
b/libclc/clc/lib/generic/math/clc_ceil.cl
new file mode 100644
index 00000000000000..c712e5fd024d90
--- /dev/null
+++ b/libclc/clc/lib/generic/math/clc_ceil.cl
@@ -0,0 +1,6 @@
+#include <clc/internal/clc.h>
+
+#undef __CLC_FUNCTION
+#define __CLC_FUNCTION __clc_ceil
+#define __CLC_BUILTIN __builtin_elementwise_ceil
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/clc/lib/generic/math/clc_fabs.cl
b/libclc/clc/lib/generic/math/clc_fabs.cl
new file mode 100644
index 00000000000000..23ff3a7a187e1d
--- /dev/null
+++ b/libclc/clc/lib/generic/math/clc_fabs.cl
@@ -0,0 +1,6 @@
+#include <clc/internal/clc.h>
+
+#undef __CLC_FUNCTION
+#define __CLC_FUNCTION __clc_fabs
+#define __CLC_BUILTIN __builtin_elementwise_abs
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/clc/lib/generic/math/clc_floor.cl
b/libclc/clc/lib/generic/math/clc_floor.cl
new file mode 100644
index 00000000000000..98345c768f2271
--- /dev/null
+++ b/libclc/clc/lib/generic/math/clc_floor.cl
@@ -0,0 +1,6 @@
+#include <clc/internal/clc.h>
+
+#undef __CLC_FUNCTION
+#define __CLC_FUNCTION __clc_floor
+#define __CLC_BUILTIN __builtin_elementwise_floor
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/clc/lib/generic/math/clc_rint.cl
b/libclc/clc/lib/generic/math/clc_rint.cl
new file mode 100644
index 00000000000000..28ad321a7b4f6d
--- /dev/null
+++ b/libclc/clc/lib/generic/math/clc_rint.cl
@@ -0,0 +1,6 @@
+#include <clc/internal/clc.h>
+
+#undef __CLC_FUNCTION
+#define __CLC_FUNCTION __clc_rint
+#define __CLC_BUILTIN __builtin_elementwise_rint
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/clc/lib/generic/math/clc_trunc.cl
b/libclc/clc/lib/generic/math/clc_trunc.cl
new file mode 100644
index 00000000000000..e62ae062e05020
--- /dev/null
+++ b/libclc/clc/lib/generic/math/clc_trunc.cl
@@ -0,0 +1,6 @@
+#include <clc/internal/clc.h>
+
+#undef __CLC_FUNCTION
+#define __CLC_FUNCTION __clc_trunc
+#define __CLC_BUILTIN __builtin_elementwise_trunc
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/clc/lib/spirv/SOURCES b/libclc/clc/lib/spirv/SOURCES
index d8effd19613c8b..3b29fa0a916243 100644
--- a/libclc/clc/lib/spirv/SOURCES
+++ b/libclc/clc/lib/spirv/SOURCES
@@ -1,2 +1,6 @@
../generic/geometric/clc_dot.cl
-
+../generic/math/clc_ceil.cl
+../generic/math/clc_fabs.cl
+../generic/math/clc_floor.cl
+../generic/math/clc_rint.cl
+../generic/math/clc_trunc.cl
diff --git a/libclc/clc/lib/spirv64/SOURCES b/libclc/clc/lib/spirv64/SOURCES
index 9200810ace38e7..3b29fa0a916243 100644
--- a/libclc/clc/lib/spirv64/SOURCES
+++ b/libclc/clc/lib/spirv64/SOURCES
@@ -1 +1,6 @@
../generic/geometric/clc_dot.cl
+../generic/math/clc_ceil.cl
+../generic/math/clc_fabs.cl
+../generic/math/clc_floor.cl
+../generic/math/clc_rint.cl
+../generic/math/clc_trunc.cl
diff --git a/libclc/generic/lib/math/ceil.cl b/libclc/generic/lib/math/ceil.cl
index e02789e694e06e..8df864a06314d8 100644
--- a/libclc/generic/lib/math/ceil.cl
+++ b/libclc/generic/lib/math/ceil.cl
@@ -4,4 +4,4 @@
#undef __CLC_FUNCTION
#define __CLC_FUNCTION ceil
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/generic/lib/math/fabs.cl b/libclc/generic/lib/math/fabs.cl
index 9644369d4a0953..55701cb36a9512 100644
--- a/libclc/generic/lib/math/fabs.cl
+++ b/libclc/generic/lib/math/fabs.cl
@@ -4,4 +4,4 @@
#undef __CLC_FUNCTION
#define __CLC_FUNCTION fabs
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/generic/lib/math/floor.cl b/libclc/generic/lib/math/floor.cl
index f5c36b73862a46..0854fa7efc4580 100644
--- a/libclc/generic/lib/math/floor.cl
+++ b/libclc/generic/lib/math/floor.cl
@@ -4,4 +4,4 @@
#undef __CLC_FUNCTION
#define __CLC_FUNCTION floor
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/generic/lib/math/rint.cl b/libclc/generic/lib/math/rint.cl
index 185bbbbf8c91d2..ecf7d5c1e6dde8 100644
--- a/libclc/generic/lib/math/rint.cl
+++ b/libclc/generic/lib/math/rint.cl
@@ -3,4 +3,4 @@
#undef __CLC_FUNCTION
#define __CLC_FUNCTION rint
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/generic/lib/math/round.cl b/libclc/generic/lib/math/round.cl
index 285328aaa5d563..6344051820c798 100644
--- a/libclc/generic/lib/math/round.cl
+++ b/libclc/generic/lib/math/round.cl
@@ -7,4 +7,4 @@
#undef __CLC_FUNCTION
#define __CLC_FUNCTION round
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/generic/lib/math/sqrt.cl b/libclc/generic/lib/math/sqrt.cl
index 8df25dd45adb67..a9192a9493d172 100644
--- a/libclc/generic/lib/math/sqrt.cl
+++ b/libclc/generic/lib/math/sqrt.cl
@@ -24,4 +24,4 @@
#include "math/clc_sqrt.h"
#define __CLC_FUNCTION sqrt
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
diff --git a/libclc/generic/lib/math/trunc.cl b/libclc/generic/lib/math/trunc.cl
index 00c2a4a80015fe..1d5f04a3230541 100644
--- a/libclc/generic/lib/math/trunc.cl
+++ b/libclc/generic/lib/math/trunc.cl
@@ -3,4 +3,4 @@
#undef __CLC_FUNCTION
#define __CLC_FUNCTION trunc
-#include "unary_builtin.inc"
+#include <clc/math/unary_builtin.inc>
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