[spirv-writer] Removing GenerateConstantFloatZeroIfNeeded
Bug: tint:143
Change-Id: I81b4ec280264ec175736bae32bf1826d565ed5c0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/28162
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>
diff --git a/src/writer/spirv/builder.cc b/src/writer/spirv/builder.cc
index 065bca1..a36b22e 100644
--- a/src/writer/spirv/builder.cc
+++ b/src/writer/spirv/builder.cc
@@ -1566,8 +1566,9 @@
spirv_params.push_back(std::move(wgsl_params[5]));
spirv_params.push_back(Operand::Int(SpvImageOperandsLodMask));
- spirv_params.push_back(Operand::Int(
- GenerateConstantFloatZeroIfNeeded(std::move(wgsl_params[0]))));
+ ast::type::F32Type f32;
+ ast::FloatLiteral float_0(&f32, 0.0);
+ spirv_params.push_back(Operand::Int(GenerateLiteralIfNeeded(&float_0)));
}
if (op == spv::Op::OpNop) {
error_ = "unable to determine operator for: " + name;
@@ -1606,16 +1607,6 @@
return sampled_image.to_i();
}
-uint32_t Builder::GenerateConstantFloatZeroIfNeeded(Operand float_operand) {
- if (constant_float_zero_id_ == 0) {
- auto float_0 = result_op();
- push_type(spv::Op::OpConstant,
- {std::move(float_operand), float_0, Operand::Int(0)});
- constant_float_zero_id_ = float_0.to_i();
- }
- return constant_float_zero_id_;
-}
-
uint32_t Builder::GenerateAsExpression(ast::AsExpression* as) {
auto result = result_op();
auto result_id = result.to_i();
diff --git a/src/writer/spirv/builder.h b/src/writer/spirv/builder.h
index 1f828f8..4630f53 100644
--- a/src/writer/spirv/builder.h
+++ b/src/writer/spirv/builder.h
@@ -302,10 +302,6 @@
uint32_t GenerateSampledImage(ast::type::Type* texture_type,
Operand texture_operand,
Operand sampler_operand);
- /// Generates a constant float zero.
- /// @param float_operand the f32 type operand
- /// @returns the expression ID
- uint32_t GenerateConstantFloatZeroIfNeeded(Operand float_operand);
/// Generates a cast expression
/// @param expr the expression to generate
/// @returns the expression ID on success or 0 otherwise
@@ -450,7 +446,6 @@
std::unordered_map<uint32_t, ast::Variable*> spirv_id_to_variable_;
std::vector<uint32_t> merge_stack_;
std::vector<uint32_t> continue_stack_;
- uint32_t constant_float_zero_id_ = 0;
};
} // namespace spirv