1cee313d2SEric Christopher; Do setup work for all below tests: generate bitcode and combined index 2cee313d2SEric Christopher; RUN: opt -module-summary %s -o %t.bc 3cee313d2SEric Christopher; RUN: opt -module-summary %p/Inputs/adjustable_threshold.ll -o %t2.bc 4cee313d2SEric Christopher; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc 5cee313d2SEric Christopher 6cee313d2SEric Christopher; Test import with default progressive instruction factor 7*a9af1b9aSFangrui Song; RUN: opt -passes=function-import -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=10 -S | FileCheck %s --check-prefix=INSTLIM-DEFAULT 8cee313d2SEric Christopher; INSTLIM-DEFAULT: call void @staticfunc2.llvm. 9cee313d2SEric Christopher 10cee313d2SEric Christopher; Test import with a reduced progressive instruction factor 11*a9af1b9aSFangrui Song; RUN: opt -passes=function-import -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=10 -import-instr-evolution-factor=0.5 -S | FileCheck %s --check-prefix=INSTLIM-PROGRESSIVE 12cee313d2SEric Christopher; INSTLIM-PROGRESSIVE-NOT: call void @staticfunc 13cee313d2SEric Christopher 14bf612458SYaxun (Sam) Liu; Test force import all 15*a9af1b9aSFangrui Song; RUN: opt -passes=function-import -summary-file %t3.thinlto.bc %t.bc \ 16bf612458SYaxun (Sam) Liu; RUN: -import-instr-limit=1 -force-import-all -S \ 17bf612458SYaxun (Sam) Liu; RUN: | FileCheck %s --check-prefix=IMPORTALL 18bf612458SYaxun (Sam) Liu; IMPORTALL-DAG: define available_externally void @globalfunc1() 19bf612458SYaxun (Sam) Liu; IMPORTALL-DAG: define available_externally void @trampoline() 20bf612458SYaxun (Sam) Liu; IMPORTALL-DAG: define available_externally void @largefunction() 21bf612458SYaxun (Sam) Liu; IMPORTALL-DAG: define available_externally hidden void @staticfunc2.llvm.0() 22bf612458SYaxun (Sam) Liu; IMPORTALL-DAG: define available_externally void @globalfunc2() 23cee313d2SEric Christopher 24cee313d2SEric Christopherdeclare void @globalfunc1() 25cee313d2SEric Christopherdeclare void @globalfunc2() 26cee313d2SEric Christopher 27cee313d2SEric Christopherdefine void @entry() { 28cee313d2SEric Christopherentry: 29cee313d2SEric Christopher; Call site are processed in reversed order! 30cee313d2SEric Christopher 31cee313d2SEric Christopher; On the direct call, we reconsider @largefunction with a higher threshold and 32cee313d2SEric Christopher; import it 33cee313d2SEric Christopher call void @globalfunc2() 34cee313d2SEric Christopher; When importing globalfunc1, the threshold was limited and @largefunction was 35cee313d2SEric Christopher; not imported. 36cee313d2SEric Christopher call void @globalfunc1() 37cee313d2SEric Christopher ret void 38cee313d2SEric Christopher} 39cee313d2SEric Christopher 40