[llvm] r276858 - [ARM] Adds test for immediate encoding

[Renato Golin via llvm-commits]

Author: rengolin
Date: Wed Jul 27 07:15:26 2016
New Revision: 276858

URL: http://llvm.org/viewvc/llvm-project?rev=276858&view=rev
Log:
[ARM] Adds test for immediate encoding

The encoding of expressions as immediates wasn't correct, and was reported in
PR23000. However, we have done some refactoring on how immediates are handled
and now it seems the problem is fixed. This is a test just to make sure it
won't regress again.

Added:
    llvm/trunk/test/MC/ARM/sub-expr-imm.s

Added: llvm/trunk/test/MC/ARM/sub-expr-imm.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/ARM/sub-expr-imm.s?rev=276858&view=auto
==============================================================================
--- llvm/trunk/test/MC/ARM/sub-expr-imm.s (added)
+++ llvm/trunk/test/MC/ARM/sub-expr-imm.s Wed Jul 27 07:15:26 2016
@@ -0,0 +1,29 @@
+@ RUN: llvm-mc < %s -triple armv7-unknown-unknown -filetype=obj | llvm-objdump -d - | FileCheck %s
+
+@ Test that makes sure both label and immediate expression
+@ are evaluated to the same values.
+
+AES_Te:
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+  .word 1,2,3,4,5,6
+@ CHECK: AES_encrypt:
+AES_encrypt:
+@ CHECK: sub	r10, r3, #264
+  sub r10,r3,#(AES_encrypt-AES_Te)
+@ CHECK: sub	r10, r3, #264
+  sub r10,r3,#(6*11*4)
+Data:
+@ CHECK: 08 01 00 00
+  .word (AES_encrypt-AES_Te)
+@ CHECK: 08 01 00 00
+  .word (6*11*4)
+