1; Test to ensure that building summary with -force-summary-edges-cold 2; blocks importing as expected. 3 4; "-stats" and "-debug-only" require +Asserts. 5; REQUIRES: asserts 6 7; First do with default options, which should import 8; RUN: opt -module-summary %s -o %t.bc 9; RUN: opt -module-summary %p/Inputs/funcimport_forcecold.ll -o %t2.bc 10; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc 11; RUN: opt -passes=function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=IMPORT 12 13; Next rebuild caller module summary with only non-critical edges forced cold, 14; which should still import in this case. 15; RUN: opt -force-summary-edges-cold=all-non-critical -module-summary %s -o %t.bc 16; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc 17; RUN: opt -passes=function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=IMPORT 18 19; Next rebuild caller module summary with all edges forced cold. 20; Make sure we don't import. 21; RUN: opt -force-summary-edges-cold=all -module-summary %s -o %t.bc 22; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc 23; RUN: opt -passes=function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=NOIMPORT 24 25define i32 @main() !prof !1 { 26entry: 27 call void @foo() 28 ret i32 0 29} 30 31; IMPORT: Import foo 32; NOIMPORT-NOT: Import foo 33; IMPORT: define available_externally void @foo() 34; NOIMPORT: declare void @foo() 35declare void @foo() 36 37!1 = !{!"function_entry_count", i64 110, i64 6699318081062747564} 38