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tint: Add RemovePhonies transform to spir-v backend

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This will be needed by an upcoming CL that fixes call statements to
builtins that return a constant value. Without this transform, the
constant value reaches the backend, where we don't currently deal with
abstract numbers. Note that the other backends (HLSL, MSL, GLSL) already
use this transform.

Bug: chromium:1350147
Change-Id: Icc1f1416a07db228f8e3f39851a9ac079c48319f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/98740
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
Antonio Maiorano
2022-08-10 19:32:23 +00:00
committed by Dawn LUCI CQ
parent b91d7e1b31
commit 90d5eb6128
7 changed files with 22 additions and 34 deletions
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2
src/tint/writer/spirv/generator_impl.cc
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@@ -26,6 +26,7 @@
#include "src/tint/transform/for_loop_to_loop.h"
#include "src/tint/transform/manager.h"
#include "src/tint/transform/promote_side_effects_to_decl.h"
#include "src/tint/transform/remove_phonies.h"
#include "src/tint/transform/remove_unreachable_statements.h"
#include "src/tint/transform/simplify_pointers.h"
#include "src/tint/transform/unshadow.h"
@@ -75,6 +76,7 @@ SanitizedResult Sanitize(const Program* in, const Options& options) {
manager.Add<transform::PromoteSideEffectsToDecl>();
manager.Add<transform::UnwindDiscardFunctions>();
manager.Add<transform::SimplifyPointers>(); // Required for arrayLength()
manager.Add<transform::RemovePhonies>();
manager.Add<transform::VectorizeScalarMatrixConstructors>();
manager.Add<transform::ForLoopToLoop>(); // Must come after
manager.Add<transform::WhileToLoop>(); // ZeroInitWorkgroupMemory