Fix back-branch target for do-while loops.

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To ensure back branches always go to a header block, create a header
block even for !testFirst loops.  Then unify common code between the
testFirst/!testFirst cases.

Generate the header-block code first, so update golden files.

Realize that certain infinite loops generate invalid SPIR-V, so put a
TODO to instead abort code generation in such cases.

Change-Id: I1e173c8f73daad186cfc666b7d72bd563ed7665d

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This commit is contained in:

Dejan Mircevski 2016-01-11 15:57:11 -05:00

parent c8fbbab419

commit 832c65c33b

20 changed files with 2062 additions and 2029 deletions

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2014

Test/baseResults/spv.loops.frag.out

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