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[SPIRV] Emit DebugLexicalScope for forloop controls (#8514) #8515

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[SPIRV] Emit DebugLexicalScope for forloop controls (#8514) #8515

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20 changes: 20 additions & 0 deletions tools/clang/lib/SPIRV/SpirvEmitter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2719,6 +2719,20 @@ void SpirvEmitter::doForStmt(const ForStmt *forStmt,
attrs.empty() ? spv::LoopControlMask::MaskNone
: translateLoopAttribute(forStmt, *attrs.front());

RichDebugInfo *info = nullptr;
if (spirvOptions.debugInfoRich) {
const auto &sm = astContext.getSourceManager();
auto loc = forStmt->getForLoc();
const uint32_t line = sm.getPresumedLineNumber(loc);
const uint32_t column = sm.getPresumedColumnNumber(loc);
info = getOrCreateRichDebugInfo(loc);
auto *debugLexicalBlock = spvBuilder.createDebugLexicalBlock(
info->source, line, column, info->scopeStack.back());

// Add this lexical block to the stack of lexical scopes.
spvContext.pushDebugLexicalScope(info, debugLexicalBlock);
}
Comment on lines +2722 to +2734

const Stmt *initStmt = forStmt->getInit();
const Stmt *body = forStmt->getBody();
const Expr *check = forStmt->getCond();
Expand Down Expand Up @@ -2842,6 +2856,12 @@ void SpirvEmitter::doForStmt(const ForStmt *forStmt,
// Done with the current scope's continue block and merge block.
continueStack.pop();
breakStack.pop();

if (spirvOptions.debugInfoRich) {
// We are done with processing this compound statement. Remove its
// lexical block from the stack of lexical scopes.
spvContext.popDebugLexicalScope(info);
}
Comment on lines +2860 to +2864
}

void SpirvEmitter::doIfStmt(const IfStmt *ifStmt,
Expand Down
11 changes: 6 additions & 5 deletions tools/clang/test/CodeGenSPIRV/rich.debug.debuglexicalblock.hlsl
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,12 @@
// CHECK: [[debugSet:%[0-9]+]] = OpExtInstImport "OpenCL.DebugInfo.100"
// CHECK: [[debugSource:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugSource
// CHECK: [[main:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugFunction
// CHECK: [[mainFnLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 13 1 [[main]]
// CHECK: [[whileLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 21 3 [[mainFnLexBlock]]
// CHECK: [[ifStmtLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 26 20 [[whileLoopLexBlock]]
// CHECK: [[tempLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 28 7 [[ifStmtLexBlock]]
// CHECK: [[forLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 15 12 [[mainFnLexBlock]]
// CHECK: [[mainFnLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 14 1 [[main]]
// CHECK: [[whileLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 22 3 [[mainFnLexBlock]]
// CHECK: [[ifStmtLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 27 20 [[whileLoopLexBlock]]
// CHECK: [[tempLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 29 7 [[ifStmtLexBlock]]
// CHECK: [[forLoopParensLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 16 3 [[mainFnLexBlock]]
// CHECK: [[forLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] 16 12 [[forLoopParensLexBlock]]

float4 main(float4 color : COLOR) : SV_TARGET
{
Expand Down
17 changes: 10 additions & 7 deletions tools/clang/test/CodeGenSPIRV/rich.debug.debugscope.hlsl
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,12 @@
// CHECK: [[set:%[0-9]+]] = OpExtInstImport "OpenCL.DebugInfo.100"
// CHECK: [[compUnit:%[0-9]+]] = OpExtInst %void [[set]] DebugCompilationUnit
// CHECK: [[srcMain:%[0-9]+]] = OpExtInst %void [[set]] DebugFunction
// CHECK: [[srcMainFnLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 17 1 [[srcMain]]
// CHECK: [[whileLoopLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 37 3 [[srcMainFnLexBlock]]
// CHECK: [[ifStmtLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 44 20 [[whileLoopLexBlock]]
// CHECK: [[tempLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 49 7 [[ifStmtLexBlock]]
// CHECK: [[forLoopLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 22 12 [[srcMainFnLexBlock]]
// CHECK: [[srcMainFnLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 18 1 [[srcMain]]
// CHECK: [[whileLoopLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 40 3 [[srcMainFnLexBlock]]
// CHECK: [[ifStmtLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 47 20 [[whileLoopLexBlock]]
// CHECK: [[tempLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 52 7 [[ifStmtLexBlock]]
// CHECK: [[forLoopParensLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 23 3 [[srcMainFnLexBlock]]
// CHECK: [[forLoopLexBlock:%[0-9]+]] = OpExtInst %void [[set]] DebugLexicalBlock {{%[0-9]+}} 23 12 [[forLoopParensLexBlock]]
// CHECK: [[main:%[0-9]+]] = OpExtInst %void [[set]] DebugFunction

float4 main(float4 color : COLOR) : SV_TARGET
Expand All @@ -20,16 +21,18 @@ float4 main(float4 color : COLOR) : SV_TARGET

float4 c = 0.xxxx;
for (;;) {
// CHECK: %for_check = OpLabel
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[forLoopParensLexBlock]]
// CHECK: %for_body = OpLabel
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[forLoopLexBlock]]
float4 a = 0.xxxx;
float4 b = 1.xxxx;
c = c + a + b;
// CHECK: %for_continue = OpLabel
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[srcMainFnLexBlock]]
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[forLoopParensLexBlock]]
}
// CHECK: %for_merge = OpLabel
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[srcMainFnLexBlock]]
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[forLoopParensLexBlock]]

// CHECK: %while_check = OpLabel
// CHECK-NEXT: {{%[0-9]+}} = OpExtInst %void [[set]] DebugScope [[srcMainFnLexBlock]]
Expand Down
11 changes: 6 additions & 5 deletions tools/clang/test/CodeGenSPIRV/shader.debug.debuglexicalblock.hlsl
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,12 @@
// CHECK: [[debugSet:%[0-9]+]] = OpExtInstImport "NonSemantic.Shader.DebugInfo.100"
// CHECK: [[debugSource:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugSource
// CHECK: [[main:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugFunction
// CHECK: [[mainFnLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_13 %uint_1 [[main]]
// CHECK: [[whileLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_21 %uint_3 [[mainFnLexBlock]]
// CHECK: [[ifStmtLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_26 %uint_20 [[whileLoopLexBlock]]
// CHECK: [[tempLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_28 %uint_7 [[ifStmtLexBlock]]
// CHECK: [[forLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_15 %uint_12 [[mainFnLexBlock]]
// CHECK: [[mainFnLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_14 %uint_1 [[main]]
// CHECK: [[whileLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_22 %uint_3 [[mainFnLexBlock]]
// CHECK: [[ifStmtLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_27 %uint_20 [[whileLoopLexBlock]]
// CHECK: [[tempLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_29 %uint_7 [[ifStmtLexBlock]]
// CHECK: [[forLoopParensLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_16 %uint_3 [[mainFnLexBlock]]
// CHECK: [[forLoopLexBlock:%[0-9]+]] = OpExtInst %void [[debugSet]] DebugLexicalBlock [[debugSource]] %uint_16 %uint_12 [[forLoopParensLexBlock]]

float4 main(float4 color : COLOR) : SV_TARGET
{
Expand Down
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