Steven Perron 34d4294c2c Create a pass to work around a driver bug related to OpUnreachable. ... We have come across a driver bug where and OpUnreachable inside a loop is causing the shader to go into an infinite loop. This commit will try to avoid this bug by turning OpUnreachable instructions that are contained in a loop into branches to the loop merge block. This is not added to "-O" and "-Os" because it should only be used if the driver being targeted has this problem. Fixes #1209.		2018-01-18 20:31:46 -05:00
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spirv-tools	Create a pass to work around a driver bug related to OpUnreachable.	2018-01-18 20:31:46 -05:00