1# REQUIRES: asserts 2# RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o %t %s 3# RUN: llvm-jitlink -num-threads=0 -debug-only=jitlink -noexec \ 4# RUN: -entry hook %t 2>&1 \ 5# RUN: | FileCheck %s 6# 7# Verify that we split C string literals on null-terminators, rather than on 8# symbol boundaries. We expect four dead-stripped symbols: l_str.0, l_str.2, 9# L_str.3, l_str.4, and the auto-generated symbol for the start of the "defghi" 10# string. We also verify that there are only two dead-stripped blocks, since 11# l_str.3 should not have split the block started at "def"... (since this is a 12# C string section we should be splitting on null characters instead of 13# symbols). 14# 15# CHECK: Dead-stripping defined symbols: 16# CHECK-NEXT: linkage: strong, scope: local, dead 17# CHECK-NEXT: linkage: strong, scope: local, dead 18# CHECK-NEXT: linkage: strong, scope: local, dead 19# CHECK-NEXT: linkage: strong, scope: local, dead 20# CHECK-NEXT: Dead-stripping blocks: 21# CHECK-NEXT: content, align = 1, align-ofs = 0, section = __TEXT,__cstring 22# CHECK-NEXT: content, align = 1, align-ofs = 0, section = __TEXT,__cstring 23# CHECK-NEXT: Removing unused external symbols 24 25 .section __DATA,__data 26 .globl hook 27 .p2align 2 28hook: 29 .quad l_str.1 30 31 .section __TEXT,__cstring,cstring_literals 32l_str.0: 33l_str.1: 34 .asciz "abc" 35l_str.2: 36 .asciz "" 37# anonymous start for "defghi", split in the middle by l_str.3. We expect this 38# to be dead-stripped as a single block. 39 .byte 'd' 40 .byte 'e' 41 .byte 'f' 42l_str.3: 43 .asciz "ghi" 44 45.subsections_via_symbols 46