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author | Joey Gouly <joey.gouly@arm.com> | 2013-01-23 11:56:20 +0000 |
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committer | Joey Gouly <joey.gouly@arm.com> | 2013-01-23 11:56:20 +0000 |
commit | 19dbb20ac4371fae3190379a7e7bd467af3c00aa (patch) | |
tree | 4ad0ff118896e57acd79d0f76e8a57311af4bd19 /test/SemaOpenCL | |
parent | 218b6dfaee321cec558e15d47b68155dd9f35684 (diff) | |
download | clang-19dbb20ac4371fae3190379a7e7bd467af3c00aa.tar.gz |
Add a new LangOpt NativeHalfType. This option allows for native half/fp16
operations (as opposed to storage only half/fp16).
Also add some semantic checks for OpenCL half types.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173254 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/SemaOpenCL')
-rw-r--r-- | test/SemaOpenCL/half.cl | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/SemaOpenCL/half.cl b/test/SemaOpenCL/half.cl new file mode 100644 index 0000000000..830d178d7c --- /dev/null +++ b/test/SemaOpenCL/half.cl @@ -0,0 +1,42 @@ +// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only + +#pragma OPENCL EXTENSION cl_khr_fp16 : disable + +half half_disabled(half *p, // expected-error{{declaring function return value of type 'half' is not allowed}} + half h) // expected-error{{declaring function argument of type 'half' is not allowed}} +{ + half a[2]; // expected-error{{declaring variable of type 'half [2]' is not allowed}} + half b; // expected-error{{declaring variable of type 'half' is not allowed}} + + b = *p; // expected-error{{dereferencing pointer of type 'half *' is not allowed}} + *p = b; // expected-error{{dereferencing pointer of type 'half *' is not allowed}} + + b = p[1]; // expected-error {{subscript to array of type 'half' is not allowed}} + p[1] = b; // expected-error {{subscript to array of type 'half' is not allowed}} + + float c = 1.0f; + b = (half) c; // expected-error{{casting to type 'half' is not allowed}} + c = (float) h; // expected-error{{casting from type 'half' is not allowed}} + + return h; +} + +// Exactly the same as above but with the cl_khr_fp16 extension enabled. +#pragma OPENCL EXTENSION cl_khr_fp16 : enable +half half_enabled(half *p, half h) +{ + half a[2]; + half b; + + b = *p; + *p = b; + + b = p[1]; + p[1] = b; + + float c = 1.0f; + b = (half) c; + c = (float) h; + + return h; +} |