Add a test case for a malformed LDC/LDC2 instructions with PUDW = 0b0000, which

amounts to an UNDEFINED instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128668 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/Disassembler/ARM/invalid-LDC-form-arm.txt b/test/MC/Disassembler/ARM/invalid-LDC-form-arm.txt
new file mode 100644 (file)
index 0000000..b966a9d
--- /dev/null
+++ b/test/MC/Disassembler/ARM/invalid-LDC-form-arm.txt
@@ -0,0 +1,11 @@
+# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
+
+# Opcode=0 Name=PHI Format=(42)
+#  31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
+# -------------------------------------------------------------------------------------------------
+# | 1: 1: 0: 1| 1: 1: 0: 0| 0: 0: 0: 1| 1: 1: 1: 1| 1: 0: 1: 1| 0: 1: 0: 0| 1: 0: 0: 1| 0: 0: 1: 0|
+# -------------------------------------------------------------------------------------------------
+#
+# The bytes have 0b0000 for P,U,D,W; from A8.6.51, it is undefined.
+0x92 0xb4 0x1f 0xdc
+