[clang] Enable ASAN in amdgpu toolchain for OpenCL (PR #96262)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-amdgpu

@llvm/pr-subscribers-clang-driver

Author: Yaxun (Sam) Liu (yxsamliu)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/96262.diff


3 Files Affected:

- (modified) clang/lib/Driver/ToolChains/AMDGPU.cpp (+6) 
- (modified) clang/lib/Driver/ToolChains/AMDGPU.h (+3) 
- (modified) clang/test/Driver/rocm-device-libs.cl (+16) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/AMDGPU.cpp b/clang/lib/Driver/ToolChains/AMDGPU.cpp
index 20f879e2f75cb..453daed7cc7d5 100644
--- a/clang/lib/Driver/ToolChains/AMDGPU.cpp
+++ b/clang/lib/Driver/ToolChains/AMDGPU.cpp
@@ -14,6 +14,7 @@
 #include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/InputInfo.h"
 #include "clang/Driver/Options.h"
+#include "clang/Driver/SanitizerArgs.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Support/Error.h"
@@ -946,6 +947,11 @@ void ROCMToolChain::addClangTargetOptions(
       DriverArgs, LibDeviceFile, Wave64, DAZ, FiniteOnly, UnsafeMathOpt,
       FastRelaxedMath, CorrectSqrt, ABIVer, false));
 
+  if (getSanitizerArgs(DriverArgs).needsAsanRt()) {
+    CC1Args.push_back("-mlink-bitcode-file");
+    CC1Args.push_back(
+        DriverArgs.MakeArgString(RocmInstallation->getAsanRTLPath()));
+  }
   for (StringRef BCFile : BCLibs) {
     CC1Args.push_back("-mlink-builtin-bitcode");
     CC1Args.push_back(DriverArgs.MakeArgString(BCFile));
diff --git a/clang/lib/Driver/ToolChains/AMDGPU.h b/clang/lib/Driver/ToolChains/AMDGPU.h
index 13c0e138f08f3..7e70dae8ce152 100644
--- a/clang/lib/Driver/ToolChains/AMDGPU.h
+++ b/clang/lib/Driver/ToolChains/AMDGPU.h
@@ -140,6 +140,9 @@ class LLVM_LIBRARY_VISIBILITY ROCMToolChain : public AMDGPUToolChain {
   getCommonDeviceLibNames(const llvm::opt::ArgList &DriverArgs,
                           const std::string &GPUArch,
                           bool isOpenMP = false) const;
+  SanitizerMask getSupportedSanitizers() const override {
+    return SanitizerKind::Address;
+  }
 };
 
 } // end namespace toolchains
diff --git a/clang/test/Driver/rocm-device-libs.cl b/clang/test/Driver/rocm-device-libs.cl
index 415719105d5dc..6837e219dc35d 100644
--- a/clang/test/Driver/rocm-device-libs.cl
+++ b/clang/test/Driver/rocm-device-libs.cl
@@ -132,9 +132,20 @@
 // RUN:   %S/opencl.cl \
 // RUN: 2>&1 | FileCheck  --check-prefixes=COMMON,COMMON-DEFAULT,GFX900-DEFAULT,GFX900,WAVE64 %s
 
+// RUN: %clang -### -target amdgcn-amd-amdhsa \
+// RUN:   -x cl -mcpu=gfx908:xnack+ -fsanitize=address \
+// RUN:   --rocm-path=%S/Inputs/rocm \
+// RUN:   %s \
+// RUN: 2>&1 | FileCheck  --check-prefixes=ASAN,COMMON %s
 
+// RUN: %clang -### -target amdgcn-amd-amdhsa \
+// RUN:   -x cl -mcpu=gfx908:xnack+ \
+// RUN:   --rocm-path=%S/Inputs/rocm \
+// RUN:   %s \
+// RUN: 2>&1 | FileCheck  --check-prefixes=NOASAN %s
 
 // COMMON: "-triple" "amdgcn-amd-amdhsa"
+// ASAN-SAME: "-mlink-bitcode-file" "{{.*}}/amdgcn/bitcode/asanrtl.bc"
 // COMMON-SAME: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/opencl.bc"
 // COMMON-SAME: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/ocml.bc"
 // COMMON-SAME: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/ockl.bc"
@@ -169,6 +180,11 @@
 // COMMON-UNSAFE-MATH-SAME: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/oclc_finite_only_off.bc"
 // COMMON-UNSAFE-MATH-SAME: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/oclc_correctly_rounded_sqrt_off.bc"
 
+// ASAN-SAME: "-fsanitize=address"
+
+// NOASAN-NOT: "-fsanitize=address"
+// NOASAN-NOT: amdgcn/bitcode/asanrtl.bc
+
 // WAVE64: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/oclc_wavefrontsize64_on.bc"
 // WAVE32: "-mlink-builtin-bitcode" "{{.*}}/amdgcn/bitcode/oclc_wavefrontsize64_off.bc"
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/96262