File: function-sections.c

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (34 lines) | stat: -rw-r--r-- 1,633 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// REQUIRES: x86-registered-target

// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -S -o - < %s | FileCheck %s --check-prefix=PLAIN
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -S -ffunction-sections -fno-function-sections -o - < %s | FileCheck %s --check-prefix=PLAIN

// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -S -ffunction-sections -o - < %s | FileCheck %s --check-prefix=FUNC_SECT
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -S -fno-function-sections -ffunction-sections -o - < %s | FileCheck %s --check-prefix=FUNC_SECT

// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -S -fdata-sections -o - < %s | FileCheck %s --check-prefix=DATA_SECT
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -S -fno-data-sections -fdata-sections -o - < %s | FileCheck %s --check-prefix=DATA_SECT

// Try again through a clang invocation of the ThinLTO backend.
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -O2 %s -flto=thin -emit-llvm-bc -o %t.o
// RUN: llvm-lto -thinlto -o %t %t.o
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -O2 -x ir %t.o -fthinlto-index=%t.thinlto.bc -S -ffunction-sections -o - | FileCheck %s --check-prefix=FUNC_SECT
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -O2 -x ir %t.o -fthinlto-index=%t.thinlto.bc -S -fdata-sections -o - | FileCheck %s --check-prefix=DATA_SECT

const int hello = 123;
void world() {}

// PLAIN-NOT: section
// PLAIN: world:
// PLAIN: section .rodata,
// PLAIN: hello:

// FUNC_SECT: section .text.world,
// FUNC_SECT: world:
// FUNC_SECT: section .rodata,
// FUNC_SECT: hello:

// DATA_SECT-NOT: .section
// DATA_SECT: world:
// DATA_SECT: .section .rodata.hello,
// DATA_SECT: hello: