[XRay] Remove reliance on default PIC behavior in DSO tests #113892
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@llvm/pr-subscribers-clang @llvm/pr-subscribers-clang-driver Author: Sebastian Kreutzer (sebastiankreutzer) ChangesCompiling with This patch addresses this issue in two tests:
Full diff: https://github.com/llvm/llvm-project/pull/113892.diff 2 Files Affected:
diff --git a/clang/test/Driver/XRay/xray-shared.cpp b/clang/test/Driver/XRay/xray-shared.cpp
index 215854e1fc7cef..e331fefed1e0c9 100644
--- a/clang/test/Driver/XRay/xray-shared.cpp
+++ b/clang/test/Driver/XRay/xray-shared.cpp
@@ -1,6 +1,5 @@
// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fPIC -fxray-instrument -fxray-shared -c %s -o /dev/null 2>&1 | FileCheck %s
// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fpic -fxray-instrument -fxray-shared -c %s -o /dev/null 2>&1 | FileCheck %s
-// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fxray-instrument -fxray-shared -c %s -o /dev/null 2>&1 | FileCheck %s
// RUN: not %clang -### --target=x86_64-unknown-linux-gnu -fno-PIC -fxray-instrument -fxray-shared -c %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR-PIC
// RUN: not %clang -### --target=x86_64-unknown-linux-gnu -fno-pic -fxray-instrument -fxray-shared -c %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR-PIC
diff --git a/compiler-rt/test/xray/TestCases/Posix/clang-xray-shared.cpp b/compiler-rt/test/xray/TestCases/Posix/clang-xray-shared.cpp
index 92f3c29e970d42..0dd721571de9b8 100644
--- a/compiler-rt/test/xray/TestCases/Posix/clang-xray-shared.cpp
+++ b/compiler-rt/test/xray/TestCases/Posix/clang-xray-shared.cpp
@@ -1,6 +1,6 @@
// Test that the DSO-local runtime library has been linked if -fxray-shared is passed.
//
-// RUN: %clangxx -fxray-instrument -fxray-shared %s -shared -o %t.so
+// RUN: %clangxx -fxray-instrument -fxray-shared -fPIC %s -shared -o %t.so
// RUN: llvm-nm %t.so | FileCheck %s --check-prefix ENABLED
// RUN: %clangxx -fxray-instrument %s -shared -o %t.so
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@rupprecht If this looks good to you, could you commit it? I don't have write access. |
rupprecht
approved these changes
Oct 29, 2024
NoumanAmir657
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Nov 4, 2024
) Compiling with `-fxray-shared` requires position-independent code (introduced in llvm#113548). Some tests do not explicitly specify this, thus falling back to the compiler default. If, for example, Clang is compiled with `-DCLANG_DEFAULT_PIE_ON_LINUX=OFF`, these checks fail. This patch addresses this issue in two tests: - Removing a check in `xray-shared.cpp` that only tests default PIC behavior - Adding `-fPIC` explicitly in `clang-xray-shared.cpp`
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Compiling with
-fxray-sharedrequires position-independent code (introduced in #113548).Some tests do not explicitly specify this, thus falling back to the compiler default.
If, for example, Clang is compiled with
-DCLANG_DEFAULT_PIE_ON_LINUX=OFF, these checks fail.This patch addresses this issue in two tests:
xray-shared.cppthat only tests default PIC behavior-fPICexplicitly inclang-xray-shared.cpp