1; Check per module hash. 2; RUN: opt -module-hash %s -o - | llvm-bcanalyzer -dump | FileCheck %s --check-prefix=MOD1 3; 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 | FileCheck %s --check-prefix=MOD2 5; 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 summary 10; RUN: opt -module-hash -module-summary %s -o %t.m1.bc 11; RUN: opt -module-hash -module-summary %p/Inputs/module_hash.ll -o %t.m2.bc 12 13; Recover the hashes from the modules themselves. 14; RUN: llvm-bcanalyzer -dump %t.m1.bc | grep '<HASH' > %t.hash 15; RUN: llvm-bcanalyzer -dump %t.m2.bc | grep '<HASH' >> %t.hash 16 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.hash 19 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=COMBINED 22 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]*]] (match)/> 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]*]] (match)/> 26 27; Validate against the value extracted from the combined index 28; 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 31 32; Need a function for the combined index to be populated. 33define void @foo() { 34 ret void 35} 36