[llvm-commits] [llvm] r169764 - /llvm/trunk/test/MC/ELF/relax-all-flag.s

[Eli Bendersky]

Author: eliben
Date: Mon Dec 10 14:36:01 2012
New Revision: 169764

URL: http://llvm.org/viewvc/llvm-project?rev=169764&view=rev
Log:
Add a test for explicitly exercising the mc-relax-all flag.

Added:
    llvm/trunk/test/MC/ELF/relax-all-flag.s

Added: llvm/trunk/test/MC/ELF/relax-all-flag.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/ELF/relax-all-flag.s?rev=169764&view=auto
==============================================================================
--- llvm/trunk/test/MC/ELF/relax-all-flag.s (added)
+++ llvm/trunk/test/MC/ELF/relax-all-flag.s Mon Dec 10 14:36:01 2012
@@ -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
+