[clang] [lld] [llvm] Integrated Distributed ThinLTO (DTLTO): Initial support (PR #126654)

[via cfe-commits]

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+/// Simple test that DTLTO works with a single input file and generates the
+/// expected set of files with --save-temps applied to the linker.
+///
+/// Note that we also supply --save-temps to the compiler for predictable
+/// bitcode file names.
+
+// RUN: rm -rf %t && mkdir %t && cd %t
+
+// RUN: %clang -target x86_64-linux-gnu %s -shared -flto=thin \
+// RUN:   -fthinlto-distributor=%python \
+// RUN:   -Xdist %llvm_src_root/utils/dtlto/local.py \
+// RUN:   --save-temps \
+// RUN:   -fuse-ld=lld \
+// RUN:   -nostdlib \
+// RUN:   -nostartfiles \
+// RUN:   -Wl,--save-temps \
+// RUN:   -Werror
+
+/// Check that the required output files have been created.
+// RUN: ls | count 13
+// RUN: ls | FileCheck %s --check-prefix=BITCODE
+// RUN: ls | FileCheck %s --check-prefix=BACKEND
+// RUN: ls | FileCheck %s --check-prefix=NATIVE
+// RUN: ls | FileCheck %s --check-prefix=LLD
+
+/// Files produced by the bitcode compilation.
+// BITCODE: dtlto.bc
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bd1976bris wrote:

Nice. Thanks.

https://github.com/llvm/llvm-project/pull/126654