MC/Mach-O: Implement initial support for relaxation.

[oota-llvm.git] / test / MC / MachO / relax-jumps.s

diff --git a/test/MC/MachO/relax-jumps.s b/test/MC/MachO/relax-jumps.s
new file mode 100644 (file)
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--- /dev/null
+++ b/test/MC/MachO/relax-jumps.s
@@ -0,0 +1,31 @@
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
+
+// FIXME: This is a horrible way of checking the output, we need an llvm-mc
+// based 'otool'. Use:
+//   (f=relax-jumps;
+//    llvm-mc -filetype=obj -o $f.mc.o $f.s &&
+//    as -arch i386 -o $f.as.o $f.s &&
+//    otool -tvr $f.mc.o | tail +2 > $f.mc.dump &&
+//    otool -tvr $f.as.o | tail +2 > $f.as.dump &&
+//    diff $f.{as,mc}.dump)
+// to examine the results in a more sensible fashion.
+
+// CHECK: ('_section_data', '\x90
+// CHECK: \x0f\x842\xff\xff\xff\x0f\x82\xe6\x00\x00\x00\x0f\x87&\xff\xff\xff\x0f\x8f\xda\x00\x00\x00\x0f\x88\x1a\xff\xff\xff\x0f\x83\xce\x00\x00\x00\x0f\x89\x0e\xff\xff\xff\x90
+// CHECK: \x901\xc0')
+
+L1:
+        .space 200, 0x90
+
+        je L1
+        jb L2
+        ja L1
+        jg L2
+        js L1
+        jae L2
+        jns L1
+
+        .space 200, 0x90
+L2:
+
+        xorl %eax, %eax