frame-1.test 1.04 KB
# REQUIRES: object-emission
# RUN: rm -rf %t
# RUN: mkdir -p %t
# RUN: llc -filetype=obj %p/../Inputs/frame-dw2.ll -o %t/frame-dw2.o
# RUN: dsymutil -f -oso-prepend-path=%t -y %s -o - | llvm-dwarfdump -debug-frame - | FileCheck %s

# This test is meant to verify that identical CIEs will get reused
# in the same file but also inbetween files. For this to happen, we
# link twice the same file using this made-up debug map:

---
triple:          'i386-apple-darwin'
objects:
  - filename: frame-dw2.o
    symbols:
      - { sym: _bar, objAddr: 0x0, binAddr: 0x1000, size: 0x12 }
      - { sym: _baz, objAddr: 0x0, binAddr: 0x2000, size: 0x12 }
  - filename: frame-dw2.o
    symbols:
      - { sym: _baz, objAddr: 0x0, binAddr: 0x3000, size: 0x12 }
...

# CHECK: .debug_frame contents:
# CHECK: 00000000 {{[0-9a-f]*}} ffffffff CIE
# CHECK-NOT: FDE
# CHECK:  FDE cie=00000000 pc=00001000...00001
# CHECK-NOT: FDE
# CHECK:  FDE cie=00000000 pc=00002000...00002
# CHECK-NOT: FDE
# CHECK:  FDE cie=00000000 pc=00003000...00003
# CHECK-NOT: FDE
# CHECK: .eh_frame contents: