diff options
Diffstat (limited to 'llvm/test/Transforms/FunctionImport/adjustable_threshold.ll')
| -rw-r--r-- | llvm/test/Transforms/FunctionImport/adjustable_threshold.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/test/Transforms/FunctionImport/adjustable_threshold.ll b/llvm/test/Transforms/FunctionImport/adjustable_threshold.ll new file mode 100644 index 00000000000..adb8b0dffb0 --- /dev/null +++ b/llvm/test/Transforms/FunctionImport/adjustable_threshold.ll @@ -0,0 +1,31 @@ +; Do setup work for all below tests: generate bitcode and combined index +; RUN: opt -module-summary %s -o %t.bc +; RUN: opt -module-summary %p/Inputs/adjustable_threshold.ll -o %t2.bc +; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc + +; Test import with default progressive instruction factor +; RUN: opt -function-import -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=10 -S | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIM-DEFAULT +; INSTLIM-DEFAULT: call void @staticfunc2.llvm. + +; Test import with a reduced progressive instruction factor +; RUN: opt -function-import -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=10 -import-instr-evolution-factor=0.5 -S | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIM-PROGRESSIVE +; INSTLIM-PROGRESSIVE-NOT: call void @staticfunc + + + +declare void @globalfunc1() +declare void @globalfunc2() + +define void @entry() { +entry: +; Call site are processed in reversed order! + +; On the direct call, we reconsider @largefunction with a higher threshold and +; import it + call void @globalfunc2() +; When importing globalfunc1, the threshold was limited and @largefunction was +; not imported. + call void @globalfunc1() + ret void +} + |
