[clang] [llvm] [RISCV][MC] Add MC support of Zibi experimental extension (PR #127463)

[Alexander Richardson via llvm-commits]

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@@ -0,0 +1,34 @@
+# RUN: not llvm-mc -triple=riscv32 --mattr=+experimental-zibi %s 2>&1 \
+# RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+# RUN: not llvm-mc -triple=riscv64 --mattr=+experimental-zibi %s 2>&1 \
+# RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
+beqi a0, 0x0, 0x400
+# CHECK-ERROR: [[@LINE-1]]:10: error: immediate must be non-zero in the range [-1, 31]
+# CHECK-ERROR-LABEL: beqi a0, 0x0, 0x400
+beqi a0, 0x21, 0x400
+# CHECK-ERROR: [[@LINE-1]]:10: error: immediate must be non-zero in the range [-1, 31]
+# CHECK-ERROR-LABEL: beqi a0, 0x21, 0x400
+beqi a2, 0x10, -0x1f000
+# CHECK-ERROR: [[@LINE-1]]:16: error: immediate must be a multiple of 2 bytes in the range [-4096, 4094]
+# CHECK-ERROR-LABEL: beqi a2, 0x10, -0x1f000
+beqi a2, 0x10, 0x1000
+# CHECK-ERROR: [[@LINE-1]]:16: error: immediate must be a multiple of 2 bytes in the range [-4096, 4094]
+# CHECK-ERROR-LABEL: beqi a2, 0x10, 0x1000
+beqi a2, 0x10, 0x111
+# CHECK-ERROR: [[@LINE-1]]:16: error: immediate must be a multiple of 2 bytes in the range [-4096, 4094]
+# CHECK-ERROR-LABEL: beqi a2, 0x10, 0x111
+bnei a0, 0x0, 0x400
+# CHECK-ERROR: [[@LINE-1]]:10: error: immediate must be non-zero in the range [-1, 31]
+# CHECK-ERROR-LABEL: bnei a0, 0x0, 0x400
+bnei a0, 0x21, 0x400
+# CHECK-ERROR: [[@LINE-1]]:10: error: immediate must be non-zero in the range [-1, 31]
+# CHECK-ERROR-LABEL: bnei a0, 0x21, 0x400
+bnei a2, 0x10, -0x1f000
+# CHECK-ERROR: [[@LINE-1]]:16: error: immediate must be a multiple of 2 bytes in the range [-4096, 4094]
+# CHECK-ERROR-LABEL: bnei a2, 0x10, -0x1f000
+bnei a2, 0x10, 0x1000
+# CHECK-ERROR: [[@LINE-1]]:16: error: immediate must be a multiple of 2 bytes in the range [-4096, 4094]
+# CHECK-ERROR-LABEL: bnei a2, 0x10, 0x1000
+bnei a2, 0x10, 0x111
+# CHECK-ERROR: [[@LINE-1]]:16: error: immediate must be a multiple of 2 bytes in the range [-4096, 4094]
+# CHECK-ERROR-LABEL: bnei a2, 0x10, 0x111
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arichardson wrote:

missing newline at end

https://github.com/llvm/llvm-project/pull/127463