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@Prabhuk Prabhuk commented Oct 7, 2025

UEFI toolchain driver implementation does not set the path where tools
such as lld-link can be found. This patch fixes that.

UEFI toolchain driver implementation does not set the path where tools
such as lld-link can be found. This patch fixes that.
@llvmbot llvmbot added clang Clang issues not falling into any other category clang:driver 'clang' and 'clang++' user-facing binaries. Not 'clang-cl' labels Oct 7, 2025
@Prabhuk Prabhuk requested a review from frobtech October 7, 2025 22:22
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llvmbot commented Oct 7, 2025

@llvm/pr-subscribers-clang-driver

@llvm/pr-subscribers-clang

Author: Prabhu Rajasekaran (Prabhuk)

Changes

UEFI toolchain driver implementation does not set the path where tools
such as lld-link can be found. This patch fixes that.


Full diff: https://github.com/llvm/llvm-project/pull/162387.diff

3 Files Affected:

  • (modified) clang/lib/Driver/ToolChains/UEFI.cpp (+3-1)
  • (modified) clang/test/Driver/fuse-ld.c (+5)
  • (modified) clang/test/Driver/uefi-constructed-args.c (+5)
diff --git a/clang/lib/Driver/ToolChains/UEFI.cpp b/clang/lib/Driver/ToolChains/UEFI.cpp
index 75adbf149197b..d2be147c7b9f6 100644
--- a/clang/lib/Driver/ToolChains/UEFI.cpp
+++ b/clang/lib/Driver/ToolChains/UEFI.cpp
@@ -24,7 +24,9 @@ using namespace clang;
 using namespace llvm::opt;
 
 UEFI::UEFI(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
-    : ToolChain(D, Triple, Args) {}
+    : ToolChain(D, Triple, Args) {
+  getProgramPaths().push_back(getDriver().Dir);
+}
 
 Tool *UEFI::buildLinker() const { return new tools::uefi::Linker(*this); }
 
diff --git a/clang/test/Driver/fuse-ld.c b/clang/test/Driver/fuse-ld.c
index f807434dad107..cdcd5126507db 100644
--- a/clang/test/Driver/fuse-ld.c
+++ b/clang/test/Driver/fuse-ld.c
@@ -101,3 +101,8 @@
 // RUN:   | FileCheck %s --check-prefix CHECK-WINDOWS-MSVC-BFD
 // CHECK-WINDOWS-MSVC-BFD: "{{.*}}ld.bfd"
 // CHECK-WINDOWS-MSVC-BFD-SAME: "-o"
+
+// RUN: %clang %s -### -fuse-ld=lld \
+// RUN:     --target=x86_64-unknown-uefi 2>&1 \
+// RUN:   | FileCheck %s --check-prefix CHECK-UEFI-LLD-LINK
+// CHECK-UEFI-LLD-LINK: "{{.*}}lld-link
diff --git a/clang/test/Driver/uefi-constructed-args.c b/clang/test/Driver/uefi-constructed-args.c
index c06cce351d654..642d90642fae0 100644
--- a/clang/test/Driver/uefi-constructed-args.c
+++ b/clang/test/Driver/uefi-constructed-args.c
@@ -12,3 +12,8 @@
 // CHECK-SAME: "/entry:EfiMain"
 // CHECK-SAME: "/tsaware:no"
 // CHECK-SAME: "/debug"
+
+// RUN: %clang -### --target=x86_64-unknown-uefi -print-search-dirs 2>&1
+// RUN:     | FileCheck -check-prefixes=PROGPATH %s
+// PROGPATH-DAG: InstalledDir: [[DRIVER_INSTALLED_DIR:.*]]
+// PROGPATH: programs: =[[DRIVER_INSTALLED_DIR]]

@Prabhuk Prabhuk requested a review from petrhosek October 7, 2025 22:22

// RUN: %clang -### --target=x86_64-unknown-uefi -print-search-dirs 2>&1 \
// RUN: | FileCheck -check-prefixes=PROGPATH %s
// PROGPATH-DAG: InstalledDir: [[DRIVER_INSTALLED_DIR:.*]]
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Should remove -DAG: (it's a no-op in this case)

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Thank you. Done.

@Prabhuk Prabhuk merged commit 750e64d into llvm:main Oct 8, 2025
9 checks passed
@Prabhuk Prabhuk deleted the uefi_lldpath branch October 8, 2025 17:19
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llvm-ci commented Oct 8, 2025

LLVM Buildbot has detected a new failure on builder sanitizer-x86_64-linux-fast running on sanitizer-buildbot4 while building clang at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/15767

Here is the relevant piece of the build log for the reference
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 92540 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s (75585 of 92540)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp && mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# .---command stderr------------
# | libc++abi: Pure virtual function called!
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
365.28s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
260.47s: Clang :: Driver/fsanitize.c
216.80s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
206.05s: Clang :: Preprocessor/riscv-target-features.c
176.67s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
Step 10 (stage2/asan_ubsan check) failure: stage2/asan_ubsan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 92540 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s (75585 of 92540)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp && mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# .---command stderr------------
# | libc++abi: Pure virtual function called!
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
365.28s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
260.47s: Clang :: Driver/fsanitize.c
216.80s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
206.05s: Clang :: Preprocessor/riscv-target-features.c
176.67s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp

svkeerthy pushed a commit that referenced this pull request Oct 9, 2025
UEFI toolchain driver implementation does not set the path where tools
such as lld-link can be found. This patch fixes that.
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