Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/ThinLTO/X86/prefix_replace.ll

@@ -0,0 +1,17 @@
+; Check that changing the output path via prefix-replace works
+; Use of '/' in paths created here make this unsuitable for Windows.
+; RUN: mkdir -p %t/oldpath
+; RUN: opt -module-summary %s -o %t/oldpath/prefix_replace.o
+; Ensure that there is no existing file at the new path, so we properly
+; test the creation of the new file there.
+; RUN: rm -f %t/newpath/prefix_replace.o.thinlto.bc
+
+; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t/oldpath/prefix_replace.o
+; RUN: llvm-lto -thinlto-action=distributedindexes -thinlto-prefix-replace="%t/oldpath/;%t/newpath/" -thinlto-index %t.index.bc %t/oldpath/prefix_replace.o
+
+; RUN: ls %t/newpath/prefix_replace.o.thinlto.bc
+
+define void @f() {
+entry:
+  ret void
+}