[flang-commits] [flang] [NFC] Adding missing flang tests for LTO bugfix (PR #80417)

[via flang-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-flang-driver

Author: Paschalis Mpeis (paschalis-mpeis)

<details>
<summary>Changes</summary>

Pull request #<!-- -->78749 introduced a fix for passing vector library flags from clang frontend to opt when LTO is used.

The fix also covered flang, as it's handled in CommonArgs.cpp, but no testing was added for flang.

---
Full diff: https://github.com/llvm/llvm-project/pull/80417.diff


1 Files Affected:

- (modified) flang/test/Driver/fveclib.f90 (+17) 


``````````diff
diff --git a/flang/test/Driver/fveclib.f90 b/flang/test/Driver/fveclib.f90
index 14c59b0616f82..76071c2255a47 100644
--- a/flang/test/Driver/fveclib.f90
+++ b/flang/test/Driver/fveclib.f90
@@ -30,3 +30,20 @@
 
 ! TODO: if we add support for -nostdlib or -nodefaultlibs we need to test that
 ! these prevent "-framework Accelerate" being added on Darwin
+
+! Verify that the correct vector library is passed to LTO flags.
+
+! RUN: %flang -### --target=x86_64-unknown-linux-gnu -fveclib=LIBMVEC -flto %s 2>&1 | FileCheck -check-prefix CHECK-LTO-LIBMVEC %s
+! CHECK-LTO-LIBMVEC: "-plugin-opt=-vector-library=LIBMVEC-X86"
+
+! RUN: %flang -### --target=powerpc64-unknown-linux-gnu -fveclib=MASSV -flto %s 2>&1 | FileCheck -check-prefix CHECK-LTO-MASSV %s
+! CHECK-LTO-MASSV: "-plugin-opt=-vector-library=MASSV"
+
+! RUN: %flang -### --target=x86_64-unknown-linux-gnu -fveclib=SVML -flto %s 2>&1 | FileCheck -check-prefix CHECK-LTO-SVML %s
+! CHECK-LTO-SVML: "-plugin-opt=-vector-library=SVML"
+
+! RUN: %flang -### --target=aarch64-linux-gnu -fveclib=SLEEF -flto %s 2>&1 | FileCheck -check-prefix CHECK-LTO-SLEEF %s
+! CHECK-LTO-SLEEF: "-plugin-opt=-vector-library=sleefgnuabi"
+
+! RUN: %flang -### --target=aarch64-linux-gnu -fveclib=ArmPL -flto %s 2>&1 | FileCheck -check-prefix CHECK-LTO-ARMPL %s
+! CHECK-LTO-ARMPL: "-plugin-opt=-vector-library=ArmPL"

``````````

</details>


https://github.com/llvm/llvm-project/pull/80417