http://llvm.org/bugs/show_bug.cgi?id=15785
Bug ID: 15785
Summary: OpenCL errors using vector/scalar conditionals and
short integer types
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 10371
--> http://llvm.org/bugs/attachment.cgi?id=10371&action=edit
.cl test file using short integer vector/scalar selection
Using an extended vector conditional on short integer types fails when one of
the operands is a scalar, because it performs usual unary casts before checking
compatibility between the scalar and vector types, causing type
incompatibilities incongruent with the OpenCL 1.1 Specification 6.3.i.
Quick test case attached, which gives the following errors:
test_conditional.cl:10:22: error: can't convert between vector values of
different
size ('int' and 'short4')
avec = conditional ? default_val : avec;
^ ~~~~~~~~~~~ ~~~~
test_conditional.cl:12:22: error: can't convert between vector values of
different
size ('short4' and 'int')
avec = conditional ? avec : default_val;
^ ~~~~ ~~~~~~~~~~~
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