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Fix missing and incorrect DebugValues (#4929) 

Specificially, fixes DebugValues coming out of
eliminate-local-single-store and eliminate-local-multi-store AKA SSA
rewrite.
This commit is contained in:
Greg Fischer 2022-09-13 08:41:07 -06:00 коммит произвёл GitHub
Родитель 49deada730
Коммит 272e4b3d07
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: 4AEE18F83AFDEB23
8 изменённых файлов: 1468 добавлений и 53 удалений
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6
source/opt/debug_info_manager.cpp
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@ -564,8 +564,8 @@ bool DebugInfoManager::IsDeclareVisibleToInstr(Instruction* dbg_declare,
bool DebugInfoManager::AddDebugValueIfVarDeclIsVisible(
Instruction* scope_and_line, uint32_t variable_id, uint32_t value_id,
Instruction* insert_pos,
std::unordered_set<Instruction*>* invisible_decls) {
Instruction* insert_pos, std::unordered_set<Instruction*>* invisible_decls,
bool force) {
assert(scope_and_line != nullptr);
auto dbg_decl_itr = var_id_to_dbg_decl_.find(variable_id);
@ -573,7 +573,7 @@ bool DebugInfoManager::AddDebugValueIfVarDeclIsVisible(
bool modified = false;
for (auto* dbg_decl_or_val : dbg_decl_itr->second) {
if (!IsDeclareVisibleToInstr(dbg_decl_or_val, scope_and_line)) {
if (!IsDeclareVisibleToInstr(dbg_decl_or_val, scope_and_line) && !force) {
if (invisible_decls) invisible_decls->insert(dbg_decl_or_val);
continue;
}

17
source/opt/debug_info_manager.h
Просмотреть файл

@ -15,6 +15,7 @@
#ifndef SOURCE_OPT_DEBUG_INFO_MANAGER_H_
#define SOURCE_OPT_DEBUG_INFO_MANAGER_H_
#include <set>
#include <unordered_map>
#include <unordered_set>
@ -145,11 +146,12 @@ class DebugInfoManager {
// variable that is in the scope of |scope_and_line| and whose memory is
// |variable_id| and inserts it after the instruction |insert_pos|.
// Returns whether a DebugValue is added or not. |invisible_decls| returns
// DebugDeclares invisible to |scope_and_line|.
// DebugDeclares invisible to |scope_and_line|. Assume visible if |force|
// is true.
bool AddDebugValueIfVarDeclIsVisible(
Instruction* scope_and_line, uint32_t variable_id, uint32_t value_id,
Instruction* insert_pos,
std::unordered_set<Instruction*>* invisible_decls);
std::unordered_set<Instruction*>* invisible_decls, bool force = false);
// Creates a DebugValue for DebugDeclare |dbg_decl| and inserts it before
// |insert_before|. The new DebugValue has the same line and scope as
@ -244,9 +246,18 @@ class DebugInfoManager {
// operand is the function.
std::unordered_map<uint32_t, Instruction*> fn_id_to_dbg_fn_;
// Orders Instruction* for use in associative containers (i.e. less than
// ordering). Unique Id is used.
typedef Instruction* InstPtr;
struct InstPtrLess {
bool operator()(const InstPtr& lhs, const InstPtr& rhs) const {
return lhs->unique_id() < rhs->unique_id();
}
};
// Mapping from variable or value ids to DebugDeclare or DebugValue
// instructions whose operand is the variable or value.
std::unordered_map<uint32_t, std::unordered_set<Instruction*>>
std::unordered_map<uint32_t, std::set<InstPtr, InstPtrLess>>
var_id_to_dbg_decl_;
// Mapping from DebugScope ids to users.

2
source/opt/local_single_store_elim_pass.cpp
Просмотреть файл

@ -179,7 +179,7 @@ bool LocalSingleStoreElimPass::RewriteDebugDeclares(Instruction* store_inst,
uint32_t value_id = store_inst->GetSingleWordInOperand(1);
bool modified =
context()->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(
store_inst, var_id, value_id, store_inst, &invisible_decls);
store_inst, var_id, value_id, store_inst, &invisible_decls, true);
// For cases like the argument passing for an inlined function, the value
// assignment is out of DebugDeclare's scope, but we have to preserve the

24
source/opt/ssa_rewrite_pass.cpp
Просмотреть файл

@ -316,7 +316,8 @@ void SSARewriter::ProcessStore(Instruction* inst, BasicBlock* bb) {
if (pass_->IsTargetVar(var_id)) {
WriteVariable(var_id, bb, val_id);
pass_->context()->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(
inst, var_id, val_id, inst, &decls_invisible_to_value_assignment_);
inst, var_id, val_id, inst, &decls_invisible_to_value_assignment_,
true);
#if SSA_REWRITE_DEBUGGING_LEVEL > 1
std::cerr << "\tFound store '%" << var_id << " = %" << val_id << "': "
@ -497,7 +498,7 @@ uint32_t SSARewriter::GetPhiArgument(const PhiCandidate* phi_candidate,
return 0;
}
bool SSARewriter::ApplyReplacements() {
bool SSARewriter::ApplyReplacements(Function* fp) {
bool modified = false;
#if SSA_REWRITE_DEBUGGING_LEVEL > 2
@ -507,9 +508,20 @@ bool SSARewriter::ApplyReplacements() {
std::cerr << "\n\n";
#endif
// Sort phi candiates by reverse postorder. Operand of a Phi may be
// a phi itself so make sure all operand phis are generated first.
std::vector<const PhiCandidate*> ordered_phis_to_generate;
pass_->context()->cfg()->ForEachBlockInReversePostOrder(
&*fp->begin(), [&ordered_phis_to_generate, this](BasicBlock* bb) {
for (const PhiCandidate* phi_candidate : phis_to_generate_) {
if (phi_candidate->bb() == bb)
ordered_phis_to_generate.push_back(phi_candidate);
}
});
// Add Phi instructions from completed Phi candidates.
std::vector<Instruction*> generated_phis;
for (const PhiCandidate* phi_candidate : phis_to_generate_) {
for (const PhiCandidate* phi_candidate : ordered_phis_to_generate) {
#if SSA_REWRITE_DEBUGGING_LEVEL > 2
std::cerr << "Phi candidate: " << phi_candidate->PrettyPrint(pass_->cfg())
<< "\n";
@ -557,11 +569,11 @@ bool SSARewriter::ApplyReplacements() {
phi_candidate->var_id(), phi_candidate->result_id(),
{SpvDecorationRelaxedPrecision});
// Add DebugValue for the new OpPhi instruction.
// Add DebugValue for the new OpPhi instruction. Assume OpPhi is visible.
insert_it->SetDebugScope(local_var->GetDebugScope());
pass_->context()->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(
&*insert_it, phi_candidate->var_id(), phi_candidate->result_id(),
&*insert_it, &decls_invisible_to_value_assignment_);
&*insert_it, &decls_invisible_to_value_assignment_, true);
modified = true;
}
@ -733,7 +745,7 @@ Pass::Status SSARewriter::RewriteFunctionIntoSSA(Function* fp) {
FinalizePhiCandidates();
// Finally, apply all the replacements in the IR.
bool modified = ApplyReplacements();
bool modified = ApplyReplacements(fp);
auto status = AddDebugValuesForInvisibleDebugDecls(fp);
if (status == Pass::Status::SuccessWithChange ||

2
source/opt/ssa_rewrite_pass.h
Просмотреть файл

@ -181,7 +181,7 @@ class SSARewriter {
// Applies all the SSA replacement decisions. This replaces loads/stores to
// SSA target variables with their corresponding SSA IDs, and inserts Phi
// instructions for them.
bool ApplyReplacements();
bool ApplyReplacements(Function* fp);
// Registers a definition for variable |var_id| in basic block |bb| with
// value |val_id|.

34
test/opt/ir_context_test.cpp
Просмотреть файл

@ -1147,40 +1147,6 @@ OpFunctionEnd)";
dbg_decl = ctx->get_def_use_mgr()->GetDef(25);
EXPECT_EQ(dbg_decl->GetSingleWordOperand(kDebugDeclareOperandVariableIndex),
20);
// No DebugValue should be added because result id '26' is not used for
// DebugDeclare.
ctx->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(dbg_decl, 26, 22,
dbg_decl, nullptr);
EXPECT_EQ(dbg_decl->NextNode()->opcode(), SpvOpReturn);
// DebugValue should be added because result id '20' is used for DebugDeclare.
ctx->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(dbg_decl, 20, 22,
dbg_decl, nullptr);
EXPECT_EQ(dbg_decl->NextNode()->GetOpenCL100DebugOpcode(),
OpenCLDebugInfo100DebugValue);
// Replace all uses of result it '20' with '26'
EXPECT_EQ(dbg_decl->GetSingleWordOperand(kDebugDeclareOperandVariableIndex),
20);
EXPECT_TRUE(ctx->ReplaceAllUsesWith(20, 26));
EXPECT_EQ(dbg_decl->GetSingleWordOperand(kDebugDeclareOperandVariableIndex),
26);
// No DebugValue should be added because result id '20' is not used for
// DebugDeclare.
ctx->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(dbg_decl, 20, 7,
dbg_decl, nullptr);
Instruction* dbg_value = dbg_decl->NextNode();
EXPECT_EQ(dbg_value->GetOpenCL100DebugOpcode(), OpenCLDebugInfo100DebugValue);
EXPECT_EQ(dbg_value->GetSingleWordOperand(kDebugValueOperandValueIndex), 22);
// DebugValue should be added because result id '26' is used for DebugDeclare.
ctx->get_debug_info_mgr()->AddDebugValueIfVarDeclIsVisible(dbg_decl, 26, 7,
dbg_decl, nullptr);
dbg_value = dbg_decl->NextNode();
EXPECT_EQ(dbg_value->GetOpenCL100DebugOpcode(), OpenCLDebugInfo100DebugValue);
EXPECT_EQ(dbg_value->GetSingleWordOperand(kDebugValueOperandValueIndex), 7);
}
} // namespace

231
test/opt/local_single_store_elim_test.cpp
Просмотреть файл

@ -1494,19 +1494,19 @@ TEST_F(LocalSingleStoreElimTest, AddDebugValueforStoreOutOfDebugDeclareScope) {
%56 = OpLoad %v4float %in_var_COLOR
;CHECK: DebugNoScope
;CHECK-NOT: OpLine
;CHECK: [[pos:%\w+]] = OpLoad %v4float %in_var_POSITION
;CHECK: [[color:%\w+]] = OpLoad %v4float %in_var_COLOR
OpLine %7 7 23
OpStore %param_var_color %56
OpNoLine
%93 = OpExtInst %void %1 DebugScope %48
%73 = OpExtInst %void %1 DebugDeclare %53 %param_var_pos %52
%74 = OpExtInst %void %1 DebugDeclare %51 %param_var_color %52
;CHECK: [[pos:%\w+]] = OpLoad %v4float %in_var_POSITION
;CHECK: OpLine [[file:%\w+]] 6 23
;CHECK-NEXT: {{%\w+}} = OpExtInst %void {{%\w+}} DebugValue [[dbg_pos]] [[pos]] [[empty_expr:%\w+]]
;CHECK: {{%\w+}} = OpExtInst %void {{%\w+}} DebugValue [[dbg_pos]] [[pos]] [[empty_expr:%\w+]]
;CHECK: [[color:%\w+]] = OpLoad %v4float %in_var_COLOR
;CHECK: OpLine [[file]] 7 23
;CHECK-NEXT: {{%\w+}} = OpExtInst %void {{%\w+}} DebugValue [[dbg_color]] [[color]] [[empty_expr]]
;CHECK: {{%\w+}} = OpExtInst %void {{%\w+}} DebugValue [[dbg_color]] [[color]] [[empty_expr]]
;CHECK: OpLine [[file]] 9 3
%94 = OpExtInst %void %1 DebugScope %49
OpLine %7 9 3
@ -1529,6 +1529,227 @@ TEST_F(LocalSingleStoreElimTest, AddDebugValueforStoreOutOfDebugDeclareScope) {
SinglePassRunAndMatch<LocalSingleStoreElimPass>(text, false);
}
TEST_F(LocalSingleStoreElimTest, DebugValuesForAllLocalsAndParams) {
// Texture2D g_tColor;
//
// SamplerState g_sAniso;
//
// struct PS_INPUT
// {
// float2 vTextureCoords : TEXCOORD2 ;
// } ;
//
// struct PS_OUTPUT
// {
// float4 vColor : SV_Target0 ;
// } ;
//
// void do_sample ( in float2 tc, out float4 c ) {
// c = g_tColor . Sample ( g_sAniso , tc ) ;
// }
//
// PS_OUTPUT MainPs ( PS_INPUT i )
// {
// PS_OUTPUT ps_output ;
// float4 color;
//
// do_sample ( i . vTextureCoords . xy , color ) ;
// ps_output . vColor = color;
// return ps_output ;
// }
const std::string text = R"(
OpCapability Shader
%1 = OpExtInstImport "OpenCL.DebugInfo.100"
;CHECK: [[set:%\w+]] = OpExtInstImport "OpenCL.DebugInfo.100"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %MainPs "MainPs" %in_var_TEXCOORD2 %out_var_SV_Target0 %g_tColor %g_sAniso
OpExecutionMode %MainPs OriginUpperLeft
%7 = OpString "foo2.frag"
%21 = OpString "float"
%27 = OpString "PS_INPUT"
%31 = OpString "vTextureCoords"
%34 = OpString "PS_OUTPUT"
%38 = OpString "vColor"
%40 = OpString "do_sample"
%41 = OpString ""
%45 = OpString "c"
%47 = OpString "tc"
%50 = OpString "MainPs"
%54 = OpString "color"
%56 = OpString "ps_output"
%59 = OpString "i"
%62 = OpString "@type.sampler"
%63 = OpString "type.sampler"
%65 = OpString "g_sAniso"
%67 = OpString "@type.2d.image"
%68 = OpString "type.2d.image"
%70 = OpString "TemplateParam"
%73 = OpString "g_tColor"
;CHECK: [[str_c:%\w+]] = OpString "c"
;CHECK: [[str_tc:%\w+]] = OpString "tc"
;CHECK: [[str_color:%\w+]] = OpString "color"
;CHECK: [[str_ps_output:%\w+]] = OpString "ps_output"
;CHECK: [[str_i:%\w+]] = OpString "i"
OpName %type_2d_image "type.2d.image"
OpName %g_tColor "g_tColor"
OpName %type_sampler "type.sampler"
OpName %g_sAniso "g_sAniso"
OpName %in_var_TEXCOORD2 "in.var.TEXCOORD2"
OpName %out_var_SV_Target0 "out.var.SV_Target0"
OpName %MainPs "MainPs"
OpName %PS_INPUT "PS_INPUT"
OpMemberName %PS_INPUT 0 "vTextureCoords"
OpName %PS_OUTPUT "PS_OUTPUT"
OpMemberName %PS_OUTPUT 0 "vColor"
OpName %type_sampled_image "type.sampled.image"
OpDecorate %in_var_TEXCOORD2 Location 0
OpDecorate %out_var_SV_Target0 Location 0
OpDecorate %g_tColor DescriptorSet 0
OpDecorate %g_tColor Binding 0
OpDecorate %g_sAniso DescriptorSet 0
OpDecorate %g_sAniso Binding 1
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%uint = OpTypeInt 32 0
%uint_32 = OpConstant %uint 32
%float = OpTypeFloat 32
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
%type_sampler = OpTypeSampler
%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
%v2float = OpTypeVector %float 2
%_ptr_Input_v2float = OpTypePointer Input %v2float
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%void = OpTypeVoid
%uint_64 = OpConstant %uint 64
%uint_0 = OpConstant %uint 0
%uint_128 = OpConstant %uint 128
%75 = OpTypeFunction %void
%PS_INPUT = OpTypeStruct %v2float
%_ptr_Function_PS_INPUT = OpTypePointer Function %PS_INPUT
%PS_OUTPUT = OpTypeStruct %v4float
%85 = OpTypeFunction %PS_OUTPUT %_ptr_Function_PS_INPUT
%_ptr_Function_PS_OUTPUT = OpTypePointer Function %PS_OUTPUT
%_ptr_Function_v4float = OpTypePointer Function %v4float
%_ptr_Function_v2float = OpTypePointer Function %v2float
%105 = OpTypeFunction %void %_ptr_Function_v2float %_ptr_Function_v4float
%type_sampled_image = OpTypeSampledImage %type_2d_image
%g_tColor = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
%g_sAniso = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
%in_var_TEXCOORD2 = OpVariable %_ptr_Input_v2float Input
%out_var_SV_Target0 = OpVariable %_ptr_Output_v4float Output
%145 = OpExtInst %void %1 DebugOperation Deref
%61 = OpExtInst %void %1 DebugInfoNone
%58 = OpExtInst %void %1 DebugExpression
%23 = OpExtInst %void %1 DebugTypeBasic %21 %uint_32 Float
%24 = OpExtInst %void %1 DebugTypeVector %23 2
%25 = OpExtInst %void %1 DebugSource %7
%26 = OpExtInst %void %1 DebugCompilationUnit 1 4 %25 HLSL
%29 = OpExtInst %void %1 DebugTypeComposite %27 Structure %25 5 8 %26 %27 %uint_64 FlagIsProtected|FlagIsPrivate %30
%30 = OpExtInst %void %1 DebugTypeMember %31 %24 %25 7 12 %29 %uint_0 %uint_64 FlagIsProtected|FlagIsPrivate
%33 = OpExtInst %void %1 DebugTypeVector %23 4
%36 = OpExtInst %void %1 DebugTypeComposite %34 Structure %25 10 8 %26 %34 %uint_128 FlagIsProtected|FlagIsPrivate %37
%37 = OpExtInst %void %1 DebugTypeMember %38 %33 %25 12 12 %36 %uint_0 %uint_128 FlagIsProtected|FlagIsPrivate
%39 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %void %24 %33
%42 = OpExtInst %void %1 DebugFunction %40 %39 %25 15 1 %26 %41 FlagIsProtected|FlagIsPrivate 15 %61
%44 = OpExtInst %void %1 DebugLexicalBlock %25 15 47 %42
%46 = OpExtInst %void %1 DebugLocalVariable %45 %33 %25 15 43 %42 FlagIsLocal 2
%48 = OpExtInst %void %1 DebugLocalVariable %47 %24 %25 15 28 %42 FlagIsLocal 1
%49 = OpExtInst %void %1 DebugTypeFunction FlagIsProtected|FlagIsPrivate %36 %29
%51 = OpExtInst %void %1 DebugFunction %50 %49 %25 19 1 %26 %41 FlagIsProtected|FlagIsPrivate 20 %61
%53 = OpExtInst %void %1 DebugLexicalBlock %25 20 1 %51
%55 = OpExtInst %void %1 DebugLocalVariable %54 %33 %25 22 12 %53 FlagIsLocal
%57 = OpExtInst %void %1 DebugLocalVariable %56 %36 %25 21 15 %53 FlagIsLocal
%60 = OpExtInst %void %1 DebugLocalVariable %59 %29 %25 19 29 %51 FlagIsLocal 1
%64 = OpExtInst %void %1 DebugTypeComposite %62 Structure %25 0 0 %26 %63 %61 FlagIsProtected|FlagIsPrivate
%66 = OpExtInst %void %1 DebugGlobalVariable %65 %64 %25 3 14 %26 %65 %g_sAniso FlagIsDefinition
%69 = OpExtInst %void %1 DebugTypeComposite %67 Class %25 0 0 %26 %68 %61 FlagIsProtected|FlagIsPrivate
%71 = OpExtInst %void %1 DebugTypeTemplateParameter %70 %33 %61 %25 0 0
%72 = OpExtInst %void %1 DebugTypeTemplate %69 %71
%74 = OpExtInst %void %1 DebugGlobalVariable %73 %72 %25 1 11 %26 %73 %g_tColor FlagIsDefinition
%142 = OpExtInst %void %1 DebugInlinedAt 24 %53
%144 = OpExtInst %void %1 DebugExpression %145
%155 = OpExtInst %void %1 DebugExpression %145
;CHECK: [[var_c:%\w+]] = OpExtInst %void [[set]] DebugLocalVariable [[str_c]]
;CHECK: [[var_tc:%\w+]] = OpExtInst %void [[set]] DebugLocalVariable [[str_tc]]
;CHECK: [[var_color:%\w+]] = OpExtInst %void [[set]] DebugLocalVariable [[str_color]]
;CHECK: [[var_ps_output:%\w+]] = OpExtInst %void [[set]] DebugLocalVariable [[str_ps_output]]
;CHECK: [[var_i:%\w+]] = OpExtInst %void [[set]] DebugLocalVariable [[str_i]]
%MainPs = OpFunction %void None %75
%76 = OpLabel
%153 = OpVariable %_ptr_Function_v2float Function
%149 = OpVariable %_ptr_Function_v4float Function
%157 = OpExtInst %void %1 DebugScope %53
%143 = OpVariable %_ptr_Function_v4float Function
%121 = OpVariable %_ptr_Function_v4float Function
%122 = OpVariable %_ptr_Function_v2float Function
%158 = OpExtInst %void %1 DebugScope %51
OpLine %7 19 29
%156 = OpExtInst %void %1 DebugValue %60 %153 %155 %int_0
%159 = OpExtInst %void %1 DebugScope %53
OpLine %7 21 15
%146 = OpExtInst %void %1 DebugValue %57 %143 %144 %int_0
OpNoLine
%160 = OpExtInst %void %1 DebugNoScope
%80 = OpLoad %v2float %in_var_TEXCOORD2
%81 = OpCompositeConstruct %PS_INPUT %80
%154 = OpCompositeExtract %v2float %81 0
OpStore %153 %154
%161 = OpExtInst %void %1 DebugScope %53
OpLine %7 22 12
%127 = OpExtInst %void %1 DebugDeclare %55 %121 %58
OpLine %7 24 17
%129 = OpLoad %v2float %153
OpStore %122 %129
%162 = OpExtInst %void %1 DebugScope %42 %142
OpLine %7 15 28
%135 = OpExtInst %void %1 DebugDeclare %48 %122 %58
OpLine %7 15 43
%136 = OpExtInst %void %1 DebugDeclare %46 %121 %58
%163 = OpExtInst %void %1 DebugScope %44 %142
OpLine %7 16 9
%137 = OpLoad %type_2d_image %g_tColor
OpLine %7 16 29
%138 = OpLoad %type_sampler %g_sAniso
OpLine %7 16 40
%139 = OpLoad %v2float %122
OpLine %7 16 9
%140 = OpSampledImage %type_sampled_image %137 %138
%141 = OpImageSampleImplicitLod %v4float %140 %139 None
OpLine %7 16 5
OpStore %121 %141
%164 = OpExtInst %void %1 DebugScope %53
OpLine %7 25 26
%131 = OpLoad %v4float %121
OpLine %7 25 5
OpStore %143 %131
OpLine %7 26 12
%147 = OpLoad %v4float %143
%148 = OpCompositeConstruct %PS_OUTPUT %147
OpLine %7 26 5
%150 = OpCompositeExtract %v4float %148 0
OpStore %149 %150
OpNoLine
%165 = OpExtInst %void %1 DebugNoScope
%151 = OpLoad %v4float %149
%152 = OpCompositeConstruct %PS_OUTPUT %151
%84 = OpCompositeExtract %v4float %152 0
OpStore %out_var_SV_Target0 %84
OpLine %7 27 1
OpReturn
OpFunctionEnd
;CHECK: {{%\w+}} = OpExtInst %void [[set]] DebugValue [[var_i]]
;CHECK: {{%\w+}} = OpExtInst %void [[set]] DebugValue [[var_tc]]
;CHECK: {{%\w+}} = OpExtInst %void [[set]] DebugValue [[var_c]]
;CHECK: {{%\w+}} = OpExtInst %void [[set]] DebugValue [[var_color]]
;CHECK: {{%\w+}} = OpExtInst %void [[set]] DebugValue [[var_ps_output]]
)";
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
SinglePassRunAndMatch<LocalSingleStoreElimPass>(text, false);
}
// TODO(greg-lunarg): Add tests to verify handling of these cases:
//
// Other types

1205
test/opt/local_ssa_elim_test.cpp
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