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[spirv-reader] Add OpFNegate 

Bug: tint:3
Change-Id: I081df8fd37750917ae15667954d1b3fabb799010
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19883
Reviewed-by: dan sinclair <dsinclair@google.com>
This commit is contained in:
David Neto 2020-04-20 21:06:43 +00:00
parent 6584028bb4
commit 6eb498d669
2 changed files with 59 additions and 3 deletions
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1
src/reader/spirv/function.cc
View File

@ -47,6 +47,7 @@ namespace {
bool GetUnaryOp(SpvOp opcode, ast::UnaryOp* ast_unary_op) {
switch (opcode) {
case SpvOpSNegate:
case SpvOpFNegate:
*ast_unary_op = ast::UnaryOp::kNegation;
return true;
// TODO(dneto): SpvOpNegate SpvOpNot SpvLogicalNot

61
src/reader/spirv/function_arithmetic_test.cc
View File

@ -334,6 +334,64 @@ TEST_F(SpvUnaryArithTest, SNegate_UnsignedVec_UnsignedVec) {
<< ToString(fe.ast_body());
}
TEST_F(SpvUnaryArithTest, FNegate_Scalar) {
const auto assembly = CommonTypes() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpFNegate %float %float_50
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
FunctionEmitter fe(p, *spirv_function(100));
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
Variable{
x_1
none
__f32
{
UnaryOp{
negation
ScalarConstructor{50.000000}
}
}
})"))
<< ToString(fe.ast_body());
}
TEST_F(SpvUnaryArithTest, FNegate_Vector) {
const auto assembly = CommonTypes() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpFNegate %v2float %v2float_50_60
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
FunctionEmitter fe(p, *spirv_function(100));
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(fe.ast_body()), HasSubstr(R"(
Variable{
x_1
none
__vec_2__f32
{
UnaryOp{
negation
TypeConstructor{
__vec_2__f32
ScalarConstructor{50.000000}
ScalarConstructor{60.000000}
}
}
}
})"))
<< ToString(fe.ast_body());
}
struct BinaryData {
const std::string res_type;
const std::string lhs;
@ -1022,9 +1080,6 @@ INSTANTIATE_TEST_SUITE_P(
"__vec_2__i32", AstFor("v2int_40_30"), "xor",
AstFor("v2uint_20_10")}));
// TODO(dneto): OpSNegate
// TODO(dneto): OpFNegate
// TODO(dneto): OpSRem. Missing from WGSL
// https://github.com/gpuweb/gpuweb/issues/702