bolt/test/X86/dwarf64-split-dwarf.test

# REQUIRES: system-linux

# RUN: rm -rf %t
# RUN: split-file %s %t
# RUN: %clang %cflags -gdwarf-5 -gdwarf64 -gsplit-dwarf=split -c \
# RUN:   %t/main.c -o %t/main.o
# RUN: %clang %cflags -Wl,-q -Wl,-e,main %t/main.o -o %t.exe
# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
# RUN: llvm-dwarfdump --debug-info --debug-str-offsets --dwo %t.bolt | \
# RUN:   FileCheck --check-prefix=BOLT %s
# RUN: llvm-dwarfdump --debug-str-offsets %t/main.dwo.dwo | \
# RUN:   FileCheck --check-prefix=DWO %s
# RUN: llvm-dwarfdump --verify %t.bolt %t/main.dwo.dwo

## Check DWARF64 split-DWARF rewriting.

# BOLT-LABEL: .debug_info contents:
# BOLT: Compile Unit: length = 0x{{[0-9a-f]+}}, format = DWARF64, version = 0x0005, unit_type = DW_UT_skeleton
# BOLT: DW_TAG_skeleton_unit
# BOLT: DW_AT_dwo_name{{.*}}"{{.*}}main.dwo.dwo"
# BOLT: DW_AT_ranges
# BOLT: DW_AT_rnglists_base

# BOLT: DW_TAG_compile_unit
# BOLT: DW_TAG_subprogram
# BOLT: DW_AT_low_pc{{.*}}0x{{[0-9a-f]+}}
# BOLT: DW_AT_name{{.*}}"helper"
# BOLT: DW_TAG_subprogram
# BOLT: DW_AT_name{{.*}}"main"
# BOLT: DW_AT_low_pc{{.*}}0x{{[0-9a-f]+}}
# BOLT: DW_TAG_variable
# BOLT: DW_AT_name{{.*}}"global"
# BOLT: DW_TAG_base_type
# BOLT: DW_AT_name{{.*}}"int"

# BOLT-LABEL: .debug_str_offsets contents:
# BOLT: Contribution size = {{[0-9]+}}, Format = DWARF64, Version = 5
# BOLT: "{{.*}}main.dwo.dwo"

# DWO-LABEL: .debug_str_offsets.dwo contents:
# DWO: Contribution size = {{[0-9]+}}, Format = DWARF64, Version = 5
# DWO: "global"
# DWO: "int"
# DWO: "helper"
# DWO: "main"

#--- main.c
int global;

int helper(int x) {
  return global + x;
}

int main(void) {
  return helper(1);
}