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[IncludeTree] Do not pass compilation directories #11034

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[IncludeTree] Do not pass compilation directories #11034

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3 changes: 3 additions & 0 deletions clang/lib/Tooling/DependencyScanning/ScanAndUpdateArgs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -103,6 +103,9 @@ void tooling::dependencies::configureInvocationForCaching(
// Clear APINotes options.
CI.getAPINotesOpts().ModuleSearchPaths = {};

// Reset debug/coverage compilation dir as include-tree uses absolute path.
CodeGenOpts.DebugCompilationDir.clear();
CodeGenOpts.CoverageCompilationDir.clear();
// Update output paths, and clear working directory.
auto CWD = FileSystemOpts.WorkingDir;
updateRelativePath(FrontendOpts.OutputFile, CWD);
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6 changes: 5 additions & 1 deletion clang/test/ClangScanDeps/include-tree-preserve-pch-path.c
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@@ -1,5 +1,6 @@
// REQUIRES: ondisk_cas

// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: sed -e "s|DIR|%/t|g" %t/cdb_pch.json.template > %t/cdb_pch.json
// RUN: sed -e "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
Expand All @@ -10,6 +11,7 @@

// CHECK: "-fmodule-format=obj"
// CHECK: "-dwarf-ext-refs"
// CHECK-NOT: -fdebug-compilation-dir

// RUN: %deps-to-rsp %t/deps_pch.json --tu-index 0 > %t/pch.rsp
// RUN: %clang @%t/pch.rsp
Expand All @@ -21,7 +23,9 @@
// RUN: %clang @%t/tu.rsp

// RUN: cat %t/tu.ll | FileCheck %s -check-prefix=LLVMIR -DPREFIX=%/t
// LLVMIR: !DICompileUnit({{.*}}, splitDebugFilename: "prefix.pch"
// LLVMIR: !DIFile(filename: "[[PREFIX]]/tu.c", directory: "")
// LLVMIR: !DICompileUnit({{.*}}, splitDebugFilename: "[[PREFIX]]/prefix.pch"
// LLVMIR: !DIFile(filename: "prefix.h", directory: "")

// Extract include-tree casid
// RUN: cat %t/tu.rsp | sed -E 's|.*"-fcas-include-tree" "(llvmcas://[[:xdigit:]]+)".*|\1|' > %t/tu.casid
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