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i965/vec4: Make the vec4_visitor::nir_emit_instr default case unreachable

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The bug fixed by the previous commit went undetected because extra
stderr messages are not flagged by the CI.  Copy the solution from
fs_visitor::nir_emit_instr and mark the default case unreachable.

An alternate solution is to delete the default case so that the compiler
will issue a warning.  That may require more work since there are other
(impossible) cases that exist.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Ian Romanick
2018-07-02 20:29:27 -07:00
parent a4d4787327
commit 965a06dbd7
1 changed files with 1 additions and 2 deletions
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3
src/intel/compiler/brw_vec4_nir.cpp
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@@ -169,8 +169,7 @@ vec4_visitor::nir_emit_instr(nir_instr *instr)
break; break;
default: default:
fprintf(stderr, "VS instruction not yet implemented by NIR->vec4\n"); unreachable("VS instruction not yet implemented by NIR->vec4");
break;
} }
} }