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[Driver][PS4] pass -fcrash-diagnostics-dir to LTO
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Also refactor the existing code a little bit.

Reviewed By: probinson

Differential Revision: https://reviews.llvm.org/D134673
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Yuanfang Chen committed Sep 27, 2022
1 parent 5839fb6 commit 55cd5bc
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Showing 3 changed files with 38 additions and 31 deletions.
46 changes: 22 additions & 24 deletions clang/lib/Driver/ToolChains/PS4CPU.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -158,34 +158,32 @@ void tools::PScpu::Linker::ConstructJob(Compilation &C, const JobAction &JA,
const bool IsPS4 = TC.getTriple().isPS4();
const bool IsPS5 = TC.getTriple().isPS5();
assert(IsPS4 || IsPS5);
(void)IsPS5;

ArgStringList DbgOpts;

// This tells LTO to perform JustMyCode instrumentation.
if (UseLTO && UseJMC)
DbgOpts.push_back("-enable-jmc-instrument");
auto AddCodeGenFlag = [&](Twine Flag) {
const char *Prefix = nullptr;
if (IsPS4 && D.getLTOMode() == LTOK_Thin)
Prefix = "-lto-thin-debug-options=";
else if (IsPS4 && D.getLTOMode() == LTOK_Full)
Prefix = "-lto-debug-options=";
else if (IsPS5)
Prefix = "-plugin-opt=";
else
llvm_unreachable("new LTO mode?");

// We default to creating the arange section, but LTO does not. Enable it
// here.
if (UseLTO)
DbgOpts.push_back("-generate-arange-section");
CmdArgs.push_back(Args.MakeArgString(Twine(Prefix) + Flag));
};

if (UseLTO) {
if (IsPS4) {
StringRef F = (D.getLTOMode() == LTOK_Thin) ?
"-lto-thin-debug-options=" : "-lto-debug-options=";
F = makeArgString(Args, F.data(), DbgOpts.front(), "");
DbgOpts.erase(DbgOpts.begin());
for (auto X : DbgOpts)
F = makeArgString(Args, F.data(), " ", X);
CmdArgs.push_back(F.data());
} else {
for (auto D : DbgOpts) {
CmdArgs.push_back("-mllvm");
CmdArgs.push_back(D);
}
}
// We default to creating the arange section, but LTO does not. Enable it
// here.
AddCodeGenFlag("-generate-arange-section");

// This tells LTO to perform JustMyCode instrumentation.
if (UseJMC)
AddCodeGenFlag("-enable-jmc-instrument");

if (Arg *A = Args.getLastArg(options::OPT_fcrash_diagnostics_dir))
AddCodeGenFlag(Twine("-crash-diagnostics-dir=") + A->getValue());
}

if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
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4 changes: 2 additions & 2 deletions clang/test/Driver/debug-options.c
Original file line number Diff line number Diff line change
Expand Up @@ -375,8 +375,8 @@
//

// LDGARANGE: {{".*ld.*"}} {{.*}}
// LDGARANGE-NOT: "-generate-arange-section"
// LLDGARANGE: {{".*lld.*"}} {{.*}} "-generate-arange-section"
// LDGARANGE-NOT: "-plugin-opt=-generate-arange-section"
// LLDGARANGE: {{".*lld.*"}} {{.*}} "-plugin-opt=-generate-arange-section"
// SNLDTLTOGARANGE: {{".*orbis-ld.*"}} {{.*}} "-lto-thin-debug-options=-generate-arange-section"
// SNLDFLTOGARANGE: {{".*orbis-ld.*"}} {{.*}} "-lto-debug-options=-generate-arange-section"

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Original file line number Diff line number Diff line change
Expand Up @@ -7,14 +7,23 @@
// RUN: %clang --target=x86_64-scei-ps5 -flto -fjmc %s -### 2>&1 | FileCheck --check-prefixes=CHECK-PS5-LTO,CHECK-PS5-LIB %s

// CHECK-PS4-NOT: -enable-jmc-instrument

// CHECK-PS4-THIN-LTO: -lto-thin-debug-options=-enable-jmc-instrument
// CHECK-PS4-FULL-LTO: -lto-debug-options=-enable-jmc-instrument

// CHECK-PS5-NOT: "-enable-jmc-instrument"

// CHECK-PS5-LTO: "-mllvm" "-enable-jmc-instrument"
// CHECK-PS5-NOT: -plugin-opt=-enable-jmc-instrument
// CHECK-PS5-LTO: -plugin-opt=-enable-jmc-instrument

// Check the default library name.
// CHECK-PS4-LIB: "--whole-archive" "-lSceDbgJmc" "--no-whole-archive"
// CHECK-PS5-LIB: "--whole-archive" "-lSceJmc_nosubmission" "--no-whole-archive"

// Test the driver's control over the -fcrash-diagnostics-dir behavior with linker flags.

// RUN: %clang --target=x86_64-scei-ps4 -flto=thin -fcrash-diagnostics-dir=mydumps %s -### 2>&1 | FileCheck --check-prefixes=CHECK-DIAG-PS4-THIN-LTO %s
// RUN: %clang --target=x86_64-scei-ps4 -flto=full -fcrash-diagnostics-dir=mydumps %s -### 2>&1 | FileCheck --check-prefixes=CHECK-DIAG-PS4-FULL-LTO %s
// RUN: %clang --target=x86_64-scei-ps5 -fcrash-diagnostics-dir=mydumps %s -### 2>&1 | FileCheck --check-prefixes=CHECK-DIAG-PS5 %s
// RUN: %clang --target=x86_64-scei-ps5 -flto -fcrash-diagnostics-dir=mydumps %s -### 2>&1 | FileCheck --check-prefixes=CHECK-DIAG-PS5-LTO %s

// CHECK-DIAG-PS4-THIN-LTO: -lto-thin-debug-options=-crash-diagnostics-dir=mydumps
// CHECK-DIAG-PS4-FULL-LTO: -lto-debug-options=-crash-diagnostics-dir=mydumps
// CHECK-DIAG-PS5-NOT: -plugin-opt=-crash-diagnostics-dir=mydumps
// CHECK-DIAG-PS5-LTO: -plugin-opt=-crash-diagnostics-dir=mydumps

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