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llvm-project/clang/test/Driver/instrprof-ld.c
Fangrui Song 1693009679 [Driver] Ensure ToolChain::LibraryPaths is not empty for non-Darwin 
Follow-up to #81037.

ToolChain::LibraryPaths holds the new compiler-rt library directory
(e.g. `/tmp/Debug/lib/clang/19/lib/x86_64-unknown-linux-gnu`). However,
it might be empty when the directory does not exist (due to the `if
(getVFS().exists(P))` change in https://reviews.llvm.org/D158475).

If neither the old/new compiler-rt library directories exists, we would
suggest the undesired old compiler-rt file name:

```
% /tmp/Debug/bin/clang++ a.cc -fsanitize=memory -o a
ld.lld: error: cannot open /tmp/Debug/lib/clang/19/lib/linux/libclang_rt.msan-x86_64.a: No such file or directory
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
```

With this change, we will correctly suggest the new compiler-rt file name.

Fix #87150

Pull Request: https://github.com/llvm/llvm-project/pull/87866
2024-04-14 17:05:55 -07:00

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// Test instrumented profiling ld flags.
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=i386-unknown-linux -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: | FileCheck --check-prefix=CHECK-LINUX-I386 %s
//
// CHECK-LINUX-I386: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-LINUX-I386: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}i386-unknown-linux{{/|\\\\}}libclang_rt.profile.a" {{.*}} "-lc"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-unknown-linux -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: | FileCheck --check-prefix=CHECK-LINUX-X86-64 %s
//
// CHECK-LINUX-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-LINUX-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{.*}}linux{{.*}}libclang_rt.profile.a" {{.*}} "-lc"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-unknown-linux -fprofile-instr-generate -nostdlib -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: | FileCheck --check-prefix=CHECK-LINUX-NOSTDLIB-X86-64 %s
//
// CHECK-LINUX-NOSTDLIB-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-LINUX-NOSTDLIB-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{.*}}linux{{.*}}libclang_rt.profile.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-unknown-freebsd -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_freebsd64_tree \
// RUN: | FileCheck --check-prefix=CHECK-FREEBSD-X86-64 %s
//
// CHECK-FREEBSD-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-FREEBSD-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-freebsd{{/|\\\\}}libclang_rt.profile.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-unknown-netbsd -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_netbsd_tree \
// RUN: | FileCheck --check-prefix=CHECK-NETBSD-X86-64 %s
// CHECK-NETBSD-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-NETBSD-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-netbsd{{/|\\\\}}libclang_rt.profile.a"
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-unknown-openbsd -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_openbsd_tree \
// RUN: | FileCheck --check-prefix=CHECK-OPENBSD-X86-64 %s
// CHECK-OPENBSD-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-OPENBSD-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-openbsd{{/|\\\\}}libclang_rt.profile.a"
// RUN: %clang -### %s 2>&1 \
// RUN: -shared \
// RUN: --target=i386-unknown-linux -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: | FileCheck --check-prefix=CHECK-LINUX-I386-SHARED %s
//
// CHECK-LINUX-I386-SHARED: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-LINUX-I386-SHARED: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{.*}}i386-unknown-linux{{.*}}libclang_rt.profile.a" {{.*}} "-lc"
//
// RUN: %clang -### %s 2>&1 \
// RUN: -shared \
// RUN: --target=x86_64-unknown-linux -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: | FileCheck --check-prefix=CHECK-LINUX-X86-64-SHARED %s
//
// CHECK-LINUX-X86-64-SHARED: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-LINUX-X86-64-SHARED: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{.*}}x86_64-unknown-linux{{.*}}libclang_rt.profile.a" {{.*}} "-lc"
//
// RUN: %clang -### %s 2>&1 \
// RUN: -shared \
// RUN: --target=x86_64-unknown-freebsd -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_freebsd64_tree \
// RUN: | FileCheck --check-prefix=CHECK-FREEBSD-X86-64-SHARED %s
//
// CHECK-FREEBSD-X86-64-SHARED: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-FREEBSD-X86-64-SHARED: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-freebsd{{/|\\\\}}libclang_rt.profile.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: -shared \
// RUN: --target=x86_64-unknown-netbsd -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_netbsd_tree \
// RUN: | FileCheck --check-prefix=CHECK-NETBSD-X86-64-SHARED %s
// CHECK-NETBSD-X86-64-SHARED: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-NETBSD-X86-64-SHARED: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-netbsd{{/|\\\\}}libclang_rt.profile.a"
// RUN: %clang -### %s 2>&1 \
// RUN: -shared \
// RUN: --target=x86_64-unknown-openbsd -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_openbsd_tree \
// RUN: | FileCheck --check-prefix=CHECK-OPENBSD-X86-64-SHARED %s
// CHECK-OPENBSD-X86-64-SHARED: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-OPENBSD-X86-64-SHARED: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-openbsd{{/|\\\\}}libclang_rt.profile.a"
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-apple-darwin14 -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-DARWIN-X86-64 %s
//
// CHECK-DARWIN-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-DARWIN-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_osx.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-apple-darwin14 -fprofile-instr-generate -nostdlib -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-DARWIN-NOSTDLIB-X86-64 %s
//
// CHECK-DARWIN-NOSTDLIB-X86-64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-DARWIN-NOSTDLIB-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_osx.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=arm64-apple-ios -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-DARWIN-ARM64 %s
//
// CHECK-DARWIN-ARM64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-DARWIN-ARM64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_ios.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=armv7-apple-darwin -mtvos-version-min=8.3 -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-TVOS-ARMV7 %s
//
// CHECK-TVOS-ARMV7: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-TVOS-ARMV7: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_tvos.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=armv7s-apple-darwin10 -mwatchos-version-min=2.0 -arch armv7k -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-WATCHOS-ARMV7 %s
//
// CHECK-WATCHOS-ARMV7: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-WATCHOS-ARMV7: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_watchos.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: -target x86_64-apple-driverkit19.0 -arch x86_64 -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-DRIVERKIT-X86_64 %s
//
// CHECK-DRIVERKIT-X86_64: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-DRIVERKIT-X86_64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}darwin{{/|\\\\}}libclang_rt.profile_driverkit.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=i386-pc-win32 -fprofile-instr-generate \
// RUN: -resource-dir=%S/Inputs/resource_dir -fuse-ld=link \
// RUN: | FileCheck --check-prefix=CHECK-WINDOWS-I386 %s
//
// CHECK-WINDOWS-I386: "{{.*}}link{{(.exe)?}}"
// CHECK-WINDOWS-I386: "{{.*}}clang_rt.profile{{(-i386)?}}.lib"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-pc-win32 -fprofile-instr-generate \
// RUN: -resource-dir=%S/Inputs/resource_dir -fuse-ld=link \
// RUN: | FileCheck --check-prefix=CHECK-WINDOWS-X86-64 %s
//
// CHECK-WINDOWS-X86-64: "{{.*}}link{{(.exe)?}}"
// CHECK-WINDOWS-X86-64: "{{.*}}clang_rt.profile{{(-x86_64)?}}.lib"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-mingw32 -fprofile-instr-generate -fuse-ld=ld \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: | FileCheck --check-prefix=CHECK-MINGW-X86-64 %s
//
// CHECK-MINGW-X86-64: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-MINGW-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-windows-gnu{{/|\\\\}}libclang_rt.profile.a"
// Test instrumented profiling dependent-lib flags
//
// RUN: %clang -### %s --target=x86_64-pc-win32 \
// RUN: -fprofile-instr-generate 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-WINDOWS-X86-64-DEPENDENT-LIB %s
//
// CHECK-WINDOWS-X86-64-DEPENDENT-LIB: "--dependent-lib={{[^"]*}}clang_rt.profile{{[^"]*}}.lib"
//
// RUN: %clang -### %s --target=x86_64-mingw32 \
// RUN: -fprofile-instr-generate 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MINGW-X86-64-DEPENDENT-LIB %s
//
// CHECK-MINGW-X86-64-DEPENDENT-LIB-NOT: "--dependent-lib={{[^"]*}}clang_rt.profile-{{[^"]*}}.a"
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