Skip to content

[SYCL][Windows] Improve windows sycl.lib linking #6699

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 8, 2022
Merged

[SYCL][Windows] Improve windows sycl.lib linking #6699

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
34092a3
[SYCL][Windows] Improve windows sycl.lib linking
npmiller Sep 5, 2022
5434328
[SYCL] Add tests for -nostdlib
npmiller Sep 7, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 3 additions & 2 deletions clang/lib/Driver/ToolChains/MSVC.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -131,10 +131,11 @@ void visualstudio::Linker::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-defaultlib:oldnames");
}

if ((!C.getDriver().IsCLMode() && !Args.hasArg(options::OPT_nostdlib) &&
Args.hasArg(options::OPT_fsycl) &&
if ((!C.getDriver().IsCLMode() && Args.hasArg(options::OPT_fsycl) &&
!Args.hasArg(options::OPT_nolibsycl)) ||
Args.hasArg(options::OPT_fsycl_host_compiler_EQ)) {
CmdArgs.push_back(Args.MakeArgString(std::string("-libpath:") +
TC.getDriver().Dir + "/../lib"));
if (Args.hasArg(options::OPT__SLASH_MDd))
CmdArgs.push_back("-defaultlib:sycld.lib");
else
Expand Down
17 changes: 15 additions & 2 deletions clang/test/Driver/sycl-offload.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -634,6 +634,11 @@
// CHECK-LD-NOLIBSYCL: "{{.*}}ld{{(.exe)?}}"
// CHECK-LD-NOLIBSYCL-NOT: "-lsycl"

/// Check no SYCL runtime is linked with -nostdlib
// RUN: %clang -fsycl -nostdlib -target x86_64-unknown-linux-gnu %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LD-NOSTDLIB %s
// CHECK-LD-NOSTDLIB: "{{.*}}ld{{(.exe)?}}"
// CHECK-LD-NOSTDLIB-NOT: "-lsycl"

/// Check for default linking of sycl.lib with -fsycl usage
// RUN: %clang -fsycl -target x86_64-unknown-windows-msvc %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-SYCL %s
// RUN: %clang_cl -fsycl %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-SYCL-CL %s
Expand All @@ -643,11 +648,19 @@

/// Check no SYCL runtime is linked with -nolibsycl
// RUN: %clang -fsycl -nolibsycl -target x86_64-unknown-windows-msvc %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-NOLIBSYCL %s
// RUN: %clang_cl -fsycl -nolibsycl %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-NOLIBSYCL %s
// CHECK-LINK-NOLIBSYCL-NOT: "--dependent-lib=sycl"
// RUN: %clang_cl -fsycl -nolibsycl %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-NOLIBSYCL-CL %s
// CHECK-LINK-NOLIBSYCL-CL-NOT: "--dependent-lib=sycl"
// CHECK-LINK-NOLIBSYCL: "{{.*}}link{{(.exe)?}}"
// CHECK-LINK-NOLIBSYCL-NOT: "-defaultlib:sycl.lib"

/// Check SYCL runtime is linked despite -nostdlib on Windows, this is
/// necessary for the Windows Clang CMake to work
// RUN: %clang -fsycl -nostdlib -target x86_64-unknown-windows-msvc %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-NOSTDLIB %s
// RUN: %clang_cl -fsycl -nostdlib %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-NOSTDLIB-CL %s
// CHECK-LINK-NOSTDLIB-CL: "--dependent-lib=sycl"
// CHECK-LINK-NOSTDLIB: "{{.*}}link{{(.exe)?}}"
// CHECK-LINK-NOSTDLIB: "-defaultlib:sycl.lib"

/// Check sycld.lib is chosen with /MDd
// RUN: %clang_cl -fsycl /MDd %s -o %t -### 2>&1 | FileCheck -check-prefix=CHECK-LINK-SYCL-DEBUG %s
// CHECK-LINK-SYCL-DEBUG: "--dependent-lib=sycld"
Expand Down