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-rw-r--r--llvm/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h b/llvm/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
index b1a389abfd8..2eeb8755bf4 100644
--- a/llvm/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
+++ b/llvm/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h
@@ -108,6 +108,8 @@ static inline bool IsGPR(unsigned RegClass) {
// Utilities for 32-bit Thumb instructions.
+static inline bool BadReg(uint32_t n) { return n == 13 || n == 15; }
+
// Extract imm4: Inst{19-16}.
static inline unsigned getImm4(uint32_t insn) {
return slice(insn, 19, 16);
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