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-rw-r--r--llvm/test/MC/ARM/armv8.4a-trace-error.s20
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/MC/ARM/armv8.4a-trace-error.s b/llvm/test/MC/ARM/armv8.4a-trace-error.s
new file mode 100644
index 00000000000..7ec80408f0e
--- /dev/null
+++ b/llvm/test/MC/ARM/armv8.4a-trace-error.s
@@ -0,0 +1,20 @@
+// RUN: not llvm-mc -triple arm -mattr=+v8.4a -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR
+// RUN: not llvm-mc -triple thumb -mattr=+v8.4a -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR
+
+tsb
+tsb 0
+tsb #0
+tsb foo
+
+//CHECK-ERROR: error: too few operands for instruction
+//CHECK-ERROR: tsb
+//CHECK-ERROR: ^
+//CHECK-ERROR: error: invalid operand for instruction
+//CHECK-ERROR: tsb 0
+//CHECK-ERROR: ^
+//CHECK-ERROR: error: invalid operand for instruction
+//CHECK-ERROR: tsb #0
+//CHECK-ERROR: ^
+//CHECK-ERROR: error: invalid operand for instruction
+//CHECK-ERROR: tsb foo
+//CHECK-ERROR: ^
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