From 7352e4ffcb4a0903b6d2bf33e82756717da49fa5 Mon Sep 17 00:00:00 2001 From: Eli Bendersky Date: Mon, 10 Dec 2012 20:36:01 +0000 Subject: [PATCH] Add a test for explicitly exercising the mc-relax-all flag. llvm-svn: 169764 --- llvm/test/MC/ELF/relax-all-flag.s | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 llvm/test/MC/ELF/relax-all-flag.s diff --git a/llvm/test/MC/ELF/relax-all-flag.s b/llvm/test/MC/ELF/relax-all-flag.s new file mode 100644 index 0000000..4c1c78c --- /dev/null +++ b/llvm/test/MC/ELF/relax-all-flag.s @@ -0,0 +1,19 @@ +// By default, the jmp here does not need relaxation (so the 0xeb opdoce can be +// used). +// However, with -mc-relax-all passed to MC, all jumps are relaxed and we +// expect to see a different instruction. + +// RUN: llvm-mc -filetype=obj -mc-relax-all -triple x86_64-pc-linux-gnu %s -o - \ +// RUN: | llvm-objdump -disassemble - | FileCheck -check-prefix=RELAXALL %s + +// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \ +// RUN: | llvm-objdump -disassemble - | FileCheck %s + +.text +foo: + mov %rax, %rax + jmp foo + +// RELAXALL: 3: e9 +// CHECK: 3: eb + -- 2.7.4