Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

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

@@ -0,0 +1,96 @@
+; Test distributed build thin link output from llvm-lto2
+
+; Generate bitcode files with summary, as well as minimized bitcode without
+; the debug metadata for the thin link.
+; RUN: opt -thinlto-bc %s -thin-link-bitcode-file=%t1.thinlink.bc -o %t1.bc
+; RUN: opt -thinlto-bc %p/Inputs/distributed_import.ll -thin-link-bitcode-file=%t2.thinlink.bc -o %t2.bc
+; RUN: llvm-bcanalyzer -dump %t1.thinlink.bc | FileCheck --check-prefix=THINLINKBITCODE %s
+
+; First perform the thin link on the normal bitcode file.
+; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
+; RUN:     -thinlto-distributed-indexes \
+; RUN:     -r=%t1.bc,g, \
+; RUN:     -r=%t1.bc,analias, \
+; RUN:     -r=%t1.bc,f,px \
+; RUN:     -r=%t2.bc,g,px \
+; RUN:     -r=%t2.bc,analias,px \
+; RUN:     -r=%t2.bc,aliasee,px
+; RUN: opt -function-import -import-all-index -enable-import-metadata -summary-file %t1.bc.thinlto.bc %t1.bc -o %t1.out
+; RUN: opt -function-import -import-all-index -summary-file %t2.bc.thinlto.bc %t2.bc -o %t2.out
+; RUN: llvm-dis -o - %t1.out | FileCheck %s --check-prefix=IMPORT
+; RUN: llvm-dis -o - %t2.out | FileCheck %s --check-prefix=EXPORT
+
+; Save the generated index files.
+; RUN: cp %t1.bc.thinlto.bc %t1.bc.thinlto.bc.orig
+; RUN: cp %t2.bc.thinlto.bc %t2.bc.thinlto.bc.orig
+
+; Copy the minimized bitcode to the regular bitcode path so the module
+; paths in the index are the same (save the regular bitcode for use again
+; further down).
+; RUN: cp %t1.bc %t1.bc.sv
+; RUN: cp %t1.thinlink.bc %t1.bc
+; RUN: cp %t2.bc %t2.bc.sv
+; RUN: cp %t2.thinlink.bc %t2.bc
+
+; Next perform the thin link on the minimized bitcode files, and compare dumps
+; of the resulting indexes to the above dumps to ensure they are identical.
+; RUN: rm -f %t1.bc.thinlto.bc %t2.bc.thinlto.bc
+; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
+; RUN:     -thinlto-distributed-indexes \
+; RUN:     -r=%t1.bc,g, \
+; RUN:     -r=%t1.bc,analias, \
+; RUN:     -r=%t1.bc,f,px \
+; RUN:     -r=%t2.bc,g,px \
+; RUN:     -r=%t2.bc,analias,px \
+; RUN:     -r=%t2.bc,aliasee,px
+; RUN: diff %t1.bc.thinlto.bc.orig %t1.bc.thinlto.bc
+; RUN: diff %t2.bc.thinlto.bc.orig %t2.bc.thinlto.bc
+
+; Make sure importing occurs as expected
+; RUN: cp %t1.bc.sv %t1.bc
+; RUN: cp %t2.bc.sv %t2.bc
+; RUN: opt -function-import -import-all-index -enable-import-metadata -summary-file %t1.bc.thinlto.bc %t1.bc -o %t1.out
+; RUN: opt -function-import -import-all-index -summary-file %t2.bc.thinlto.bc %t2.bc -o %t2.out
+; RUN: llvm-dis -o - %t1.out | FileCheck %s --check-prefix=IMPORT
+; RUN: llvm-dis -o - %t2.out | FileCheck %s --check-prefix=EXPORT
+
+; IMPORT: define available_externally i32 @g() !thinlto_src_module
+; IMPORT: define available_externally void @analias() !thinlto_src_module
+; EXPORT: @G.llvm.
+
+target triple = "x86_64-unknown-linux-gnu"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+declare i32 @g(...)
+declare void @analias(...)
+
+define void @f() {
+entry:
+  call i32 (...) @g()
+  call void (...) @analias()
+  ret void
+}
+
+; THINLINKBITCODE-NOT: IDENTIFICATION_BLOCK_ID
+; THINLINKBITCODE-NOT: BLOCKINFO_BLOCK
+; THINLINKBITCODE-NOT: TYPE_BLOCK_ID
+; THINLINKBITCODE-NOT: VSTOFFSET
+; THINLINKBITCODE-NOT: CONSTANTS_BLOCK
+; THINLINKBITCODE-NOT: METADATA_KIND_BLOCK
+; THINLINKBITCODE-NOT: METADATA_BLOCK
+; THINLINKBITCODE-NOT: OPERAND_BUNDLE_TAGS_BLOCK
+; THINLINKBITCODE-NOT: UnknownBlock26
+; THINLINKBITCODE-NOT: FUNCTION_BLOCK
+; THINLINKBITCODE-NOT: VALUE_SYMTAB
+; THINLINKBITCODE: MODULE_BLOCK
+; THINLINKBITCODE: VERSION
+; THINLINKBITCODE: SOURCE_FILENAME
+; THINLINKBITCODE: GLOBALVAL_SUMMARY_BLOCK
+; THINLINKBITCODE: HASH
+; THINLINKBITCODE: SYMTAB_BLOCK
+; THINLINKBITCODE: STRTAB_BLOCK
+
+!llvm.dbg.cu = !{}
+
+!1 = !{i32 2, !"Debug Info Version", i32 3}
+!llvm.module.flags = !{!1}