xref: /llvm-project/bolt/test/X86/jump-table-footprint-reduction.test (revision 11791ae7b0b05b8bd8d806331ff51da618912cf8)
1## Checks that jump table footprint reduction optimization is reducing entry
2## sizes.
3
4RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
5RUN:   %S/Inputs/jump_table_footprint_reduction.s -o %t.o
6RUN: link_fdata %S/Inputs/jump_table_footprint_reduction.s %t.o %t.fdata --nmtool llvm-nm
7RUN: llvm-strip --strip-unneeded %t.o
8RUN: %clang %cflags -no-pie %t.o -o %t.exe -Wl,-q
9RUN: llvm-bolt %t.exe --data %t.fdata -o %t.null \
10RUN:   --jump-tables=move --jt-footprint-reduction --assume-abi --relocs \
11RUN:   | FileCheck %s
12
13CHECK: 100.00% of dynamic JT entries were reduced.
14CHECK: 1 of 1 jump tables affected.
15CHECK: 1 of 1 indirect jumps to JTs affected.
16CHECK: 36 bytes saved.
17