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authorJohnny Chen <johnny.chen@apple.com>2011-04-12 23:31:00 +0000
committerJohnny Chen <johnny.chen@apple.com>2011-04-12 23:31:00 +0000
commit55e6419b12a5f5c1c5b7e3f5f6bebd6b71df0bd0 (patch)
treec9ba1fad4218dfa47fa21983be94a71057b5d895 /test/MC
parent836a7de15907e0368f7785684f156764ea6b7069 (diff)
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Add sanity check for Ld/St Dual forms of Thumb2 instructions.
rdar://problem/9273947 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC')
-rw-r--r--test/MC/Disassembler/ARM/invalid-LDRD_PRE-thumb.txt13
-rw-r--r--test/MC/Disassembler/ARM/invalid-t2STRD_PRE-thumb.txt10
2 files changed, 23 insertions, 0 deletions
diff --git a/test/MC/Disassembler/ARM/invalid-LDRD_PRE-thumb.txt b/test/MC/Disassembler/ARM/invalid-LDRD_PRE-thumb.txt
new file mode 100644
index 0000000..da2e6be
--- /dev/null
+++ b/test/MC/Disassembler/ARM/invalid-LDRD_PRE-thumb.txt
@@ -0,0 +1,13 @@
+# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
+
+# Opcode=1930 Name=t2LDRD_PRE Format=ARM_FORMAT_THUMBFRM(25)
+# 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: 1: 0| 1: 0: 0: 1| 1: 1: 1: 1| 1: 1: 1: 1| 1: 1: 1: 0| 1: 0: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0|
+# -------------------------------------------------------------------------------------------------
+#
+# A8.6.66 LDRD (immediate)
+# if Rn = '1111' then SEE LDRD (literal)
+# A8.6.67 LDRD (literal)
+# Inst{21} = 0
+0xff 0xe9 0x0 0xeb
diff --git a/test/MC/Disassembler/ARM/invalid-t2STRD_PRE-thumb.txt b/test/MC/Disassembler/ARM/invalid-t2STRD_PRE-thumb.txt
new file mode 100644
index 0000000..c8f8ec2
--- /dev/null
+++ b/test/MC/Disassembler/ARM/invalid-t2STRD_PRE-thumb.txt
@@ -0,0 +1,10 @@
+# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
+
+# Opcode=2124 Name=t2STRD_PRE Format=ARM_FORMAT_THUMBFRM(25)
+# 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: 1: 0| 1: 0: 0: 1| 1: 1: 1: 0| 0: 1: 0: 0| 0: 1: 0: 0| 0: 1: 1: 0| 0: 0: 0: 0| 0: 0: 1: 0|
+# -------------------------------------------------------------------------------------------------
+#
+# if wback && (n == t || n == t2) then UNPREDICTABLE
+0xe4 0xe9 0x02 0x46