1 files changed, 57 insertions, 0 deletions
diff --git a/test/MC/ARM/directive-arch_extension-crc.s b/test/MC/ARM/directive-arch_extension-crc.s
new file mode 100644
index 0000000..9e4deda
--- /dev/null
+++ b/test/MC/ARM/directive-arch_extension-crc.s
@@ -0,0 +1,57 @@
+@ RUN: not llvm-mc -triple armv7-eabi -filetype asm -o /dev/null 2>&1 %s \
+@ RUN:   | FileCheck %s -check-prefix CHECK-V7
+@ RUN: not llvm-mc -triple armv8-eabi -filetype asm -o /dev/null 2>&1 %s \
+@ RUN:   | FileCheck %s -check-prefix CHECK-V8
+
+	.syntax unified
+
+	.arm
+
+	.arch_extension crc
+@ CHECK-V7: error: architectural extension 'crc' is not allowed for the current base architecture
+@ CHECK-V7-NEXT: 	.arch_extension crc
+@ CHECK-V7-NEXT:                     ^
+
+	.type crc,%function
+crc:
+	crc32b r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+	crc32h r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+	crc32w r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+
+	crc32cb r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+	crc32ch r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+	crc32cw r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+
+	.arch_extension nocrc
+@ CHECK-V7: error: architectural extension 'crc' is not allowed for the current base architecture
+@ CHECK-V7-NEXT: 	.arch_extension nocrc
+@ CHECK-V7-NEXT:                     ^
+
+	.type nocrc,%function
+nocrc:
+	crc32b r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+@ CHECK-V8: error: instruction requires: crc arm-mode
+	crc32h r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+@ CHECK-V8: error: instruction requires: crc arm-mode
+	crc32w r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+@ CHECK-V8: error: instruction requires: crc arm-mode
+
+	crc32cb r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+@ CHECK-V8: error: instruction requires: crc arm-mode
+	crc32ch r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+@ CHECK-V8: error: instruction requires: crc arm-mode
+	crc32cw r0, r1, r2
+@ CHECK-V7: error: instruction requires: crc armv8
+@ CHECK-V8: error: instruction requires: crc arm-mode
+