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1; Check per module hash.2; RUN: opt -module-hash %s -o - | llvm-bcanalyzer -dump -check-hash=foo | FileCheck %s --check-prefix=MOD13; MOD1: <HASH op0={{[0-9]*}} op1={{[0-9]*}} op2={{[0-9]*}} op3={{[0-9]*}} op4={{[0-9]*}} (match)/>4; RUN: opt -module-hash %p/Inputs/module_hash.ll -o - | llvm-bcanalyzer -dump -check-hash=bar | FileCheck %s --check-prefix=MOD25; MOD2: <HASH op0={{[0-9]*}} op1={{[0-9]*}} op2={{[0-9]*}} op3={{[0-9]*}} op4={{[0-9]*}} (match)/>6 7; Check that the hash matches in the combined index.8 9; First regenerate the modules with a summary10; RUN: opt -module-hash -module-summary %s -o %t.m1.bc11; RUN: opt -module-hash -module-summary %p/Inputs/module_hash.ll -o %t.m2.bc12 13; Recover the hashes from the modules themselves.14; RUN: llvm-bcanalyzer -dump %t.m1.bc | grep '<HASH' > %t.hash15; RUN: llvm-bcanalyzer -dump %t.m2.bc | grep '<HASH' >> %t.hash16 17; Generate the combined index and gather the hashes there.18; RUN: llvm-lto --thinlto-action=thinlink -o - %t.m1.bc %t.m2.bc | llvm-bcanalyzer -dump | grep '<HASH ' >> %t.hash19 20; Validate the output now, the hahes in the individual modules and the combined index are in the same file.21; RUN: cat %t.hash | FileCheck %s --check-prefix=COMBINED22 23; First capture the value of the hash for the two modules.24; COMBINED: <HASH op0=[[HASH1_1:[0-9]*]] op1=[[HASH1_2:[0-9]*]] op2=[[HASH1_3:[0-9]*]] op3=[[HASH1_4:[0-9]*]] op4=[[HASH1_5:[0-9]*]]/>25; COMBINED: <HASH op0=[[HASH2_1:[0-9]*]] op1=[[HASH2_2:[0-9]*]] op2=[[HASH2_3:[0-9]*]] op3=[[HASH2_4:[0-9]*]] op4=[[HASH2_5:[0-9]*]]/>26 27; Validate against the value extracted from the combined index28; COMBINED-DAG: <HASH abbrevid={{[0-9]*}} op0=[[HASH1_1]] op1=[[HASH1_2]] op2=[[HASH1_3]] op3=[[HASH1_4]] op4=[[HASH1_5]]/>29; COMBINED-DAG: <HASH abbrevid={{[0-9]*}} op0=[[HASH2_1]] op1=[[HASH2_2]] op2=[[HASH2_3]] op3=[[HASH2_4]] op4=[[HASH2_5]]/>30 31target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"32 33; Need a function for the combined index to be populated.34define void @foo() {35 ret void36}37