| # REQUIRES: x86 |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t |
| # RUN: ld.lld %t -o %t2 --icf=all --print-icf-sections | FileCheck %s |
| # RUN: ld.lld %t -o %t2 --keep-unique f2 --keep-unique f4 --keep-unique f5 --icf=all --print-icf-sections 2>&1 | FileCheck %s -check-prefix=CHECK-KEEP |
| |
| // Base case, expect only .text.f1 to be kept |
| // CHECK: selected section {{.*}}:(.text.f1) |
| // CHECK-NEXT: removing identical section {{.*}}:(.text.f2) |
| // CHECK-NEXT: removing identical section {{.*}}:(.text.f3) |
| // CHECK-NEXT: removing identical section {{.*}}:(.text.f4) |
| // CHECK-NEXT: removing identical section {{.*}}:(.text.f5) |
| |
| // With --keep-unique f2, f4 and f5 we expect only f3 and f5 to be removed. |
| // f5 is not matched by --keep-unique as it is a local symbol. |
| // CHECK-KEEP: warning: could not find symbol f5 to keep unique |
| // CHECK-KEEP: selected section {{.*}}:(.text.f1) |
| // CHECK-KEEP-NEXT: removing identical section {{.*}}:(.text.f3) |
| // CHECK-KEEP-NEXT: removing identical section {{.*}}:(.text.f5) |
| .globl _start, f1, f2, f3, f4 |
| _start: |
| ret |
| |
| .section .text.f1, "ax" |
| f1: |
| nop |
| |
| .section .text.f2, "ax" |
| f2: |
| nop |
| |
| .section .text.f3, "ax" |
| f3: |
| nop |
| |
| .section .text.f4, "ax" |
| f4: |
| nop |
| |
| # f5 is local, not found by --keep-unique f5 |
| .section .text.f5, "ax" |
| f5: |
| nop |
