[clang] clang/AMDGPU: Stop looking for hip.bc in device libs (PR #134801)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

This has been an empty library since January 2023

---
Full diff: https://github.com/llvm/llvm-project/pull/134801.diff


5 Files Affected:

- (modified) clang/lib/Driver/ToolChains/AMDGPU.cpp (-2) 
- (modified) clang/lib/Driver/ToolChains/HIPAMD.cpp (-3) 
- (modified) clang/lib/Driver/ToolChains/ROCm.h (+1-7) 
- (modified) clang/test/Driver/hip-device-libs.hip (+2-3) 
- (modified) clang/test/Driver/hip-sanitize-options.hip (+2-2) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/AMDGPU.cpp b/clang/lib/Driver/ToolChains/AMDGPU.cpp
index dffc70d5e5b69..e12531330a8e6 100644
--- a/clang/lib/Driver/ToolChains/AMDGPU.cpp
+++ b/clang/lib/Driver/ToolChains/AMDGPU.cpp
@@ -59,8 +59,6 @@ void RocmInstallationDetector::scanLibDevicePath(llvm::StringRef Path) {
       OCKL = FilePath;
     } else if (BaseName == "opencl") {
       OpenCL = FilePath;
-    } else if (BaseName == "hip") {
-      HIP = FilePath;
     } else if (BaseName == "asanrtl") {
       AsanRTL = FilePath;
     } else if (BaseName == "oclc_finite_only_off") {
diff --git a/clang/lib/Driver/ToolChains/HIPAMD.cpp b/clang/lib/Driver/ToolChains/HIPAMD.cpp
index abb83701759ce..52b8a4510792f 100644
--- a/clang/lib/Driver/ToolChains/HIPAMD.cpp
+++ b/clang/lib/Driver/ToolChains/HIPAMD.cpp
@@ -392,9 +392,6 @@ HIPAMDToolChain::getDeviceLibs(const llvm::opt::ArgList &DriverArgs) const {
     StringRef GpuArch = getGPUArch(DriverArgs);
     assert(!GpuArch.empty() && "Must have an explicit GPU arch.");
 
-    // Add the HIP specific bitcode library.
-    BCLibs.emplace_back(RocmInstallation->getHIPPath());
-
     // Add common device libraries like ocml etc.
     for (auto N : getCommonDeviceLibNames(DriverArgs, GpuArch.str()))
       BCLibs.emplace_back(N);
diff --git a/clang/lib/Driver/ToolChains/ROCm.h b/clang/lib/Driver/ToolChains/ROCm.h
index a6cc41db383b6..b82e30df4e024 100644
--- a/clang/lib/Driver/ToolChains/ROCm.h
+++ b/clang/lib/Driver/ToolChains/ROCm.h
@@ -127,7 +127,6 @@ class RocmInstallationDetector {
 
   // Libraries that are always linked depending on the language
   SmallString<0> OpenCL;
-  SmallString<0> HIP;
 
   // Asan runtime library
   SmallString<0> AsanRTL;
@@ -149,7 +148,7 @@ class RocmInstallationDetector {
   bool Verbose;
 
   bool allGenericLibsValid() const {
-    return !OCML.empty() && !OCKL.empty() && !OpenCL.empty() && !HIP.empty() &&
+    return !OCML.empty() && !OCKL.empty() && !OpenCL.empty() &&
            WavefrontSize64.isValid() && FiniteOnly.isValid() &&
            UnsafeMath.isValid() && DenormalsAreZero.isValid() &&
            CorrectlyRoundedSqrt.isValid();
@@ -229,11 +228,6 @@ class RocmInstallationDetector {
     return OpenCL;
   }
 
-  StringRef getHIPPath() const {
-    assert(!HIP.empty());
-    return HIP;
-  }
-
   /// Returns empty string of Asan runtime library is not available.
   StringRef getAsanRTLPath() const { return AsanRTL; }
 
diff --git a/clang/test/Driver/hip-device-libs.hip b/clang/test/Driver/hip-device-libs.hip
index c7cafd0027bc5..e8a13547dfb3c 100644
--- a/clang/test/Driver/hip-device-libs.hip
+++ b/clang/test/Driver/hip-device-libs.hip
@@ -208,10 +208,9 @@
 // ALL-NOT: error:
 // ALL: {{"[^"]*clang[^"]*"}}
 
-// RESDIR-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR:[^"]+(/|\\\\)rocm_resource_dir(/|\\\\)lib(64)?(/|\\\\)amdgcn(/|\\\\).*]]hip.bc"
-// ROCMDIR-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR:[^"]+(/|\\\\)rocm(/|\\\\)amdgcn(/|\\\\).*]]hip.bc"
+// RESDIR-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR:[^"]+(/|\\\\)rocm_resource_dir(/|\\\\)lib(64)?(/|\\\\)amdgcn(/|\\\\).*]]ocml.bc"
+// ROCMDIR-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR:[^"]+(/|\\\\)rocm(/|\\\\)amdgcn(/|\\\\).*]]ocml.bc"
 
-// ALL-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR]]ocml.bc"
 // ALL-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR]]ockl.bc"
 
 // FLUSHD-SAME: "-mlink-builtin-bitcode" "[[DEVICELIB_DIR]]oclc_daz_opt_on.bc"
diff --git a/clang/test/Driver/hip-sanitize-options.hip b/clang/test/Driver/hip-sanitize-options.hip
index 8de0ee9e18426..0c9c15b61fdc9 100644
--- a/clang/test/Driver/hip-sanitize-options.hip
+++ b/clang/test/Driver/hip-sanitize-options.hip
@@ -52,12 +52,12 @@
 // CHECK-NOT: {{"[^"]*lld(\.exe){0,1}".* ".*hip.bc"}}
 // CHECK: {{"[^"]*clang[^"]*".* "-triple" "x86_64-unknown-linux-gnu".* "-fsanitize=address"}}
 
-// NORDC: {{"[^"]*clang[^"]*".* "-emit-obj".* "-fcuda-is-device".* "-mlink-builtin-bitcode" ".*hip.bc".* "-mlink-bitcode-file" ".*asanrtl.bc".* "-fsanitize=address".*}} "-o" "[[OUT:[^"]*.o]]"
+// NORDC: {{"[^"]*clang[^"]*".* "-emit-obj".* "-fcuda-is-device".* .* "-mlink-bitcode-file" ".*asanrtl.bc".* "-fsanitize=address".*}} "-o" "[[OUT:[^"]*.o]]"
 // NORDC-NOT: {{"[^"]*lld(\.exe){0,1}".*}} "[[OUT]]" {{".*asanrtl.bc" ".*hip.bc"}}
 // NORDC: {{"[^"]*clang[^"]*".* "-triple" "x86_64-unknown-linux-gnu".* "-fsanitize=address"}}
 
 // RDC: {{"[^"]*clang[^"]*".* "-triple" "x86_64-unknown-linux-gnu".* "-fsanitize=address"}}
-// RDC: {{"[^"]*clang[^"]*".* "-emit-llvm-bc".* "-fcuda-is-device".* "-mlink-builtin-bitcode" ".*hip.bc".* "-mlink-bitcode-file" ".*asanrtl.bc".* "-fsanitize=address".*}} "-o" "[[OUT:[^"]*.bc]]"
+// RDC: {{"[^"]*clang[^"]*".* "-emit-llvm-bc".* "-fcuda-is-device".* "-mlink-bitcode-file" ".*asanrtl.bc".* "-fsanitize=address".*}} "-o" "[[OUT:[^"]*.bc]]"
 // RDC-NOT: {{"[^"]*lld(\.exe){0,1}".*}} "[[OUT]]" {{".*asanrtl.bc" ".*hip.bc"}}
 
 // FAIL: error: cannot find ROCm device library for ABI version 5; provide its path via '--rocm-path' or '--rocm-device-lib-path', or pass '-nogpulib' to build without ROCm device library

``````````

</details>


https://github.com/llvm/llvm-project/pull/134801