Introduce SPIR calling conventions.

Description

Introduce SPIR calling conventions.

This implements Section 3.7 from the SPIR 1.2 spec:

SPIR kernels should use "spir_kernel" calling convention.
Non-kernel functions use "spir_func" calling convention. All
other calling conventions are disallowed.

The patch works only for OpenCL source. Any other uses will need
to ensure that kernels are assigned the spir_kernel calling
convention correctly.

Details

Committed
sameerdsJan 19 2015, 10:44 PM
Parents
rL226547: Fix Operandreorder logic in SLPVectorizer to generate longer vectorizable chain.
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