Run spirv-opt pass to eliminate dead functions after inlining

The inliner leaves the original functions. If we want the simplicity of not thinking about functions, we have to remove them. Change-Id: I0d0c7f8d3de21095b52d86a4c62015287eda32cc Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/27272Tested-by: Chris Forbes <chrisforbes@google.com> Presubmit-Ready: Chris Forbes <chrisforbes@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com>

Run spirv-opt pass to eliminate dead functions after inlining
085f57ee · Chris Forbes · 5ceec2c3 · 085f57ee
Commit 085f57ee authored Mar 14, 2019 by Chris Forbes
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VkPipeline.cpp src/Vulkan/VkPipeline.cpp +1 -0

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--- a/src/Vulkan/VkPipeline.cpp
+++ b/src/Vulkan/VkPipeline.cpp
@@ -206,6 +206,7 @@ std::vector<uint32_t> preprocessSpirv(
 	});

 	opt.RegisterPass(spvtools::CreateInlineExhaustivePass());
+	opt.RegisterPass(spvtools::CreateEliminateDeadFunctionsPass());

 	// If the pipeline uses specialization, apply the specializations before freezing
 	if (specializationInfo)