5c1a2c5d3e
OpenCL Extension v1.2 s9.5 allows half precision floating point type literals with suffices h or H when cl_khr_fp16 is enabled. Example: half x = 1.0h; Patch by Liu Yaxun (Sam)! Differential Revision: http://reviews.llvm.org/D16865 llvm-svn: 261084
47 lines
1.5 KiB
Common Lisp
47 lines
1.5 KiB
Common Lisp
// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -Wno-unused-value
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#pragma OPENCL EXTENSION cl_khr_fp16 : disable
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constant float f = 1.0h; // expected-error{{half precision constant requires cl_khr_fp16}}
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half half_disabled(half *p, // expected-error{{declaring function return value of type 'half' is not allowed}}
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half h) // expected-error{{declaring function parameter of type 'half' is not allowed}}
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{
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half a[2]; // expected-error{{declaring variable of type 'half [2]' is not allowed}}
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half b; // expected-error{{declaring variable of type 'half' is not allowed}}
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*p; // expected-error{{loading directly from pointer to type 'half' is not allowed}}
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p[1]; // expected-error{{loading directly from pointer to type 'half' is not allowed}}
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float c = 1.0f;
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b = (half) c; // expected-error{{casting to type 'half' is not allowed}}
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c = (float) 1.0h; // expected-error{{half precision constant requires cl_khr_fp16}}
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b = 1.0h; // expected-error{{half precision constant requires cl_khr_fp16}}
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half *allowed = &p[1];
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half *allowed2 = &*p;
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half *allowed3 = p + 1;
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return h;
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}
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// Exactly the same as above but with the cl_khr_fp16 extension enabled.
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#pragma OPENCL EXTENSION cl_khr_fp16 : enable
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constant half a = 1.0h;
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half half_enabled(half *p, half h)
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{
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half a[2];
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half b;
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*p;
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p[1];
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float c = 1.0f;
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b = (half) c;
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c = (float) 1.0h;
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b = 1.0h;
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half *allowed = &p[1];
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half *allowed2 = &*p;
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half *allowed3 = p + 1;
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return h;
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}
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