libclc/generic/include/clc/math/ceil.h - third_party/llvm-project - Git at Google

 #undef ceil
 #define ceil __clc_ceil

 #define __CLC_FUNCTION __clc_ceil
 #define __CLC_INTRINSIC "llvm.ceil"
 #include <clc/math/unary_intrin.inc>
	#undef ceil
	#define ceil __clc_ceil

	#define __CLC_FUNCTION __clc_ceil
	#define __CLC_INTRINSIC "llvm.ceil"
	#include <clc/math/unary_intrin.inc>