bolt/test/X86/debug-fission-single-convert.s

   1 ## Checks debug fission support in BOLT
   2
   3 # REQUIRES: system-linux
   4
   5 # RUN: llvm-mc -g \
   6 # RUN:   --filetype=obj \
   7 # RUN:   --triple x86_64-unknown-unknown \
   8 # RUN:   --split-dwarf-file=debug-fission-simple-convert.dwo \
   9 # RUN:   %p/Inputs/debug-fission-simple-convert.s \
  10 # RUN:   -o %t.o
  11 # RUN: %clangxx %cxxflags -no-pie -g \
  12 # RUN:   -Wl,--gc-sections,-q,-nostdlib \
  13 # RUN:   -Wl,--undefined=_Z6_startv \
  14 # RUN:   -nostartfiles \
  15 # RUN:   -Wl,--script=%p/Inputs/debug-fission-script.txt \
  16 # RUN:   %t.o -o %t.exe
  17 # RUN: llvm-bolt %t.exe \
  18 # RUN:   --reorder-blocks=reverse \
  19 # RUN:   --update-debug-sections \
  20 # RUN:   --dwarf-output-path=%T \
  21 # RUN:   --always-convert-to-ranges=true \
  22 # RUN:   -o %t.bolt.1.exe 2>&1 | FileCheck %s
  23 # RUN: llvm-dwarfdump --show-form --verbose --debug-ranges %t.bolt.1.exe &> %tAddrIndexTest
  24 # RUN: not llvm-dwarfdump --show-form --verbose --debug-info %T/debug-fission-simple-convert.dwo0.dwo >> %tAddrIndexTest
  25 # RUN: cat %tAddrIndexTest | FileCheck %s --check-prefix=CHECK-DWO-DWO
  26 # RUN: llvm-dwarfdump --show-form --verbose   --debug-addr  %t.bolt.1.exe | FileCheck %s --check-prefix=CHECK-ADDR-SEC
  27
  28 # CHECK-NOT: warning: DWARF unit from offset {{.*}} incl. to offset {{.*}} excl. tries to read DIEs at offset {{.*}}
  29
  30 # CHECK-DWO-DWO: 00000000
  31 # CHECK-DWO-DWO: 00000010
  32 # CHECK-DWO-DWO: 00000010
  33 # CHECK-DWO-DWO: DW_TAG_subprogram
  34 # CHECK-DWO-DWO-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
  35 # CHECK-DWO-DWO: DW_TAG_subprogram
  36 # CHECK-DWO-DWO-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000020
  37 # CHECK-DWO-DWO: DW_TAG_subprogram
  38 # CHECK-DWO-DWO-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000040
  39
  40 # CHECK-ADDR-SEC: .debug_addr contents:
  41 # CHECK-ADDR-SEC: 0x00000000: Addrs: [
  42 # CHECK-ADDR-SEC: 0x0000000000601000
  43
  44 //clang++ -ffunction-sections -fno-exceptions -g -gsplit-dwarf=split -S debug-fission-simple.cpp -o debug-fission-simple.s
  45 static int foo = 2;
  46 int doStuff(int val) {
  47   if (val == 5)
  48     val += 1 + foo;
  49   else
  50     val -= 1;
  51   return val;
  52 }
  53
  54 int doStuff2(int val) {
  55   return val += 3;
  56 }
  57
  58 int main(int argc, const char** argv) {
  59   return doStuff(argc);
  60 }