[clang] f5ba3e1 - [CodeView] Flatten cmd args in frontend for LF_BUILDINFO (#106369)
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cfe-commits at lists.llvm.org
Mon Sep 16 10:29:46 PDT 2024
Author: nebulark
Date: 2024-09-16T19:29:42+02:00
New Revision: f5ba3e1fa6b5f862789786fbb4b342dfc2c27c33
URL: https://github.com/llvm/llvm-project/commit/f5ba3e1fa6b5f862789786fbb4b342dfc2c27c33
DIFF: https://github.com/llvm/llvm-project/commit/f5ba3e1fa6b5f862789786fbb4b342dfc2c27c33.diff
LOG: [CodeView] Flatten cmd args in frontend for LF_BUILDINFO (#106369)
Added:
Modified:
clang/lib/CodeGen/BackendUtil.cpp
clang/test/CodeGen/debug-info-codeview-buildinfo.c
llvm/include/llvm/MC/MCTargetOptions.h
llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
llvm/test/DebugInfo/COFF/build-info.ll
llvm/test/DebugInfo/COFF/global-type-hashes.ll
llvm/test/DebugInfo/COFF/types-basic.ll
llvm/test/DebugInfo/COFF/types-data-members.ll
Removed:
################################################################################
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index d6fdd79db1b5af..8492e5ab73e183 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -50,6 +50,7 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Program.h"
#include "llvm/Support/TimeProfiler.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/ToolOutputFile.h"
@@ -321,6 +322,40 @@ static bool actionRequiresCodeGen(BackendAction Action) {
Action != Backend_EmitLL;
}
+static std::string flattenClangCommandLine(ArrayRef<std::string> Args,
+ StringRef MainFilename) {
+ if (Args.empty())
+ return std::string{};
+
+ std::string FlatCmdLine;
+ raw_string_ostream OS(FlatCmdLine);
+ bool PrintedOneArg = false;
+ if (!StringRef(Args[0]).contains("-cc1")) {
+ llvm::sys::printArg(OS, "-cc1", /*Quote=*/true);
+ PrintedOneArg = true;
+ }
+ for (unsigned i = 0; i < Args.size(); i++) {
+ StringRef Arg = Args[i];
+ if (Arg.empty())
+ continue;
+ if (Arg == "-main-file-name" || Arg == "-o") {
+ i++; // Skip this argument and next one.
+ continue;
+ }
+ if (Arg.starts_with("-object-file-name") || Arg == MainFilename)
+ continue;
+ // Skip fmessage-length for reproducibility.
+ if (Arg.starts_with("-fmessage-length"))
+ continue;
+ if (PrintedOneArg)
+ OS << " ";
+ llvm::sys::printArg(OS, Arg, /*Quote=*/true);
+ PrintedOneArg = true;
+ }
+ OS.flush();
+ return FlatCmdLine;
+}
+
static bool initTargetOptions(DiagnosticsEngine &Diags,
llvm::TargetOptions &Options,
const CodeGenOptions &CodeGenOpts,
@@ -483,8 +518,9 @@ static bool initTargetOptions(DiagnosticsEngine &Diags,
Entry.Group == frontend::IncludeDirGroup::System))
Options.MCOptions.IASSearchPaths.push_back(
Entry.IgnoreSysRoot ? Entry.Path : HSOpts.Sysroot + Entry.Path);
- Options.MCOptions.Argv0 = CodeGenOpts.Argv0;
- Options.MCOptions.CommandLineArgs = CodeGenOpts.CommandLineArgs;
+ Options.MCOptions.Argv0 = CodeGenOpts.Argv0 ? CodeGenOpts.Argv0 : "";
+ Options.MCOptions.CommandlineArgs = flattenClangCommandLine(
+ CodeGenOpts.CommandLineArgs, CodeGenOpts.MainFileName);
Options.MCOptions.AsSecureLogFile = CodeGenOpts.AsSecureLogFile;
Options.MCOptions.PPCUseFullRegisterNames =
CodeGenOpts.PPCUseFullRegisterNames;
diff --git a/clang/test/CodeGen/debug-info-codeview-buildinfo.c b/clang/test/CodeGen/debug-info-codeview-buildinfo.c
index 4fc55af10a6e2e..98d249be8c883d 100644
--- a/clang/test/CodeGen/debug-info-codeview-buildinfo.c
+++ b/clang/test/CodeGen/debug-info-codeview-buildinfo.c
@@ -36,10 +36,10 @@ int main(void) { return 42; }
// DISABLE-NOT: "-cc1"
// DISABLE: 0x{{.+}} | LF_BUILDINFO [size = {{.+}}]
// DISABLE-NEXT: 0x{{.+}}: `{{.*}}`
-// DISABLE-NEXT: <no type>: ``
+// DISABLE-NEXT: 0x{{.+}}: `{{.*}}`
// DISABLE-NEXT: 0x{{.+}}: `{{.*}}`
// DISABLE-NEXT: 0x{{.+}}: ``
-// DISABLE-NEXT: <no type>: ``
+// DISABLE-NEXT: 0x{{.+}}: `{{.*}}`
// MESSAGELEN: Types (.debug$T)
// MESSAGELEN: ============================================================
diff --git a/llvm/include/llvm/MC/MCTargetOptions.h b/llvm/include/llvm/MC/MCTargetOptions.h
index a5371b3387a13d..2e2025c2e7b2c8 100644
--- a/llvm/include/llvm/MC/MCTargetOptions.h
+++ b/llvm/include/llvm/MC/MCTargetOptions.h
@@ -95,8 +95,9 @@ class MCTargetOptions {
std::string SplitDwarfFile;
std::string AsSecureLogFile;
- const char *Argv0 = nullptr;
- ArrayRef<std::string> CommandLineArgs;
+ // Used for codeview debug info. These will be set as compiler path and commandline arguments in LF_BUILDINFO
+ std::string Argv0;
+ std::string CommandlineArgs;
/// Additional paths to search for `.include` directives when using the
/// integrated assembler.
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 7700ffd6da8030..f184f320e89c90 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -893,37 +893,6 @@ static TypeIndex getStringIdTypeIdx(GlobalTypeTableBuilder &TypeTable,
return TypeTable.writeLeafType(SIR);
}
-static std::string flattenCommandLine(ArrayRef<std::string> Args,
- StringRef MainFilename) {
- std::string FlatCmdLine;
- raw_string_ostream OS(FlatCmdLine);
- bool PrintedOneArg = false;
- if (!StringRef(Args[0]).contains("-cc1")) {
- llvm::sys::printArg(OS, "-cc1", /*Quote=*/true);
- PrintedOneArg = true;
- }
- for (unsigned i = 0; i < Args.size(); i++) {
- StringRef Arg = Args[i];
- if (Arg.empty())
- continue;
- if (Arg == "-main-file-name" || Arg == "-o") {
- i++; // Skip this argument and next one.
- continue;
- }
- if (Arg.starts_with("-object-file-name") || Arg == MainFilename)
- continue;
- // Skip fmessage-length for reproduciability.
- if (Arg.starts_with("-fmessage-length"))
- continue;
- if (PrintedOneArg)
- OS << " ";
- llvm::sys::printArg(OS, Arg, /*Quote=*/true);
- PrintedOneArg = true;
- }
- OS.flush();
- return FlatCmdLine;
-}
-
void CodeViewDebug::emitBuildInfo() {
// First, make LF_BUILDINFO. It's a sequence of strings with various bits of
// build info. The known prefix is:
@@ -947,13 +916,11 @@ void CodeViewDebug::emitBuildInfo() {
// FIXME: PDB is intentionally blank unless we implement /Zi type servers.
BuildInfoArgs[BuildInfoRecord::TypeServerPDB] =
getStringIdTypeIdx(TypeTable, "");
- if (Asm->TM.Options.MCOptions.Argv0 != nullptr) {
- BuildInfoArgs[BuildInfoRecord::BuildTool] =
- getStringIdTypeIdx(TypeTable, Asm->TM.Options.MCOptions.Argv0);
- BuildInfoArgs[BuildInfoRecord::CommandLine] = getStringIdTypeIdx(
- TypeTable, flattenCommandLine(Asm->TM.Options.MCOptions.CommandLineArgs,
- MainSourceFile->getFilename()));
- }
+ BuildInfoArgs[BuildInfoRecord::BuildTool] =
+ getStringIdTypeIdx(TypeTable, Asm->TM.Options.MCOptions.Argv0);
+ BuildInfoArgs[BuildInfoRecord::CommandLine] = getStringIdTypeIdx(
+ TypeTable, Asm->TM.Options.MCOptions.CommandlineArgs);
+
BuildInfoRecord BIR(BuildInfoArgs);
TypeIndex BuildInfoIndex = TypeTable.writeLeafType(BIR);
diff --git a/llvm/test/DebugInfo/COFF/build-info.ll b/llvm/test/DebugInfo/COFF/build-info.ll
index 983aa22214bce9..429aee2a236b7d 100644
--- a/llvm/test/DebugInfo/COFF/build-info.ll
+++ b/llvm/test/DebugInfo/COFF/build-info.ll
@@ -3,10 +3,10 @@
; CHECK: [[INFO_IDX:0x[^ ]*]] | LF_BUILDINFO
; CHECK-NEXT: 0x{{.*}}: `D:\src\scopes\clang`
-; CHECK-NEXT: <no type>: ``
+; CHECK-NEXT: 0x{{.*}}: ``
; CHECK-NEXT: 0x{{.*}}: `D:\src\scopes\foo.cpp`
; CHECK-NEXT: 0x{{.*}}: ``
-; CHECK-NEXT: <no type>: ``
+; CHECK-NEXT: 0x{{.*}}: ``
; CHECK: {{.*}} | S_BUILDINFO [size = 8] BuildId = `[[INFO_IDX]]`
diff --git a/llvm/test/DebugInfo/COFF/global-type-hashes.ll b/llvm/test/DebugInfo/COFF/global-type-hashes.ll
index 586b97d8fd193a..6dda6fefe6f727 100644
--- a/llvm/test/DebugInfo/COFF/global-type-hashes.ll
+++ b/llvm/test/DebugInfo/COFF/global-type-hashes.ll
@@ -300,7 +300,7 @@ attributes #3 = { mustprogress noinline nounwind optnone "frame-pointer"="none"
; YAML: String: ''
; YAML: - Kind: LF_BUILDINFO
; YAML: BuildInfo:
-; YAML: ArgIndices: [ 4113, 0, 4114, 4115, 0 ]
+; YAML: ArgIndices: [ 4113, 4115, 4114, 4115, 4115 ]
; YAML: - Name: '.debug$H'
; YAML: Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
; YAML: Alignment: 4
@@ -328,7 +328,7 @@ attributes #3 = { mustprogress noinline nounwind optnone "frame-pointer"="none"
; YAML: - 174CF4A3F5448049
; YAML: - 5349856AF14E2246
; YAML: - 55A48E0466FDCDA6
-; YAML: - 886A1B73D31E9877
+; YAML: - EE6329A02D9F4959
; ASM: .section .debug$H,"dr"
; ASM-NEXT: .p2align 2
diff --git a/llvm/test/DebugInfo/COFF/types-basic.ll b/llvm/test/DebugInfo/COFF/types-basic.ll
index a3741cca742491..897c63268a4004 100644
--- a/llvm/test/DebugInfo/COFF/types-basic.ll
+++ b/llvm/test/DebugInfo/COFF/types-basic.ll
@@ -525,10 +525,10 @@
; ASM: .short 0x1603 # Record kind: LF_BUILDINFO
; ASM: .short 0x5 # NumArgs
; ASM: .long 0x1013 # Argument: D:\src\llvm\build
-; ASM: .long 0x0 # Argument
+; ASM: .long 0x1015 # Argument
; ASM: .long 0x1014 # Argument: t.cpp
; ASM: .long 0x1015 # Argument
-; ASM: .long 0x0 # Argument
+; ASM: .long 0x1015 # Argument
; ASM: .byte 242
; ASM: .byte 241
diff --git a/llvm/test/DebugInfo/COFF/types-data-members.ll b/llvm/test/DebugInfo/COFF/types-data-members.ll
index c1f0df7bb7ef98..af0af47ee64739 100644
--- a/llvm/test/DebugInfo/COFF/types-data-members.ll
+++ b/llvm/test/DebugInfo/COFF/types-data-members.ll
@@ -740,10 +740,10 @@
; ASM: .short 0x1603 # Record kind: LF_BUILDINFO
; ASM: .short 0x5 # NumArgs
; ASM: .long 0x1020 # Argument: D:\src\llvm\build
-; ASM: .long 0x0 # Argument
+; ASM: .long 0x1022 # Argument
; ASM: .long 0x1021 # Argument: t.cpp
; ASM: .long 0x1022 # Argument
-; ASM: .long 0x0 # Argument
+; ASM: .long 0x1022 # Argument
; ASM: .byte 242
; ASM: .byte 241
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