[llvm] r176490 - Add a test that .align directives on capable processors use long NOPs.

[David Sehr]

Author: sehr
Date: Tue Mar  5 10:46:54 2013
New Revision: 176490

URL: http://llvm.org/viewvc/llvm-project?rev=176490&view=rev
Log:
Add a test that .align directives on capable processors use long NOPs.

Added:
    llvm/trunk/test/MC/X86/x86_long_nop.s

Added: llvm/trunk/test/MC/X86/x86_long_nop.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/X86/x86_long_nop.s?rev=176490&view=auto
==============================================================================
--- llvm/trunk/test/MC/X86/x86_long_nop.s (added)
+++ llvm/trunk/test/MC/X86/x86_long_nop.s Tue Mar  5 10:46:54 2013
@@ -0,0 +1,12 @@
+# RUN: llvm-mc -filetype=obj -arch=x86 -mcpu=i686 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
+
+# Ensure alignment directives also emit sequences of 15-byte NOPs on processors
+# capable of using long NOPs.
+inc %eax
+.align 32
+inc %eax
+# CHECK: 0:  inc
+# CHECK-NEXT: 1:  nop
+# CHECK-NEXT: 10:  nop
+# CHECK-NEXT: 1f:  nop
+# CHECK-NEXT: 20:  inc