diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp index 07679a60ffdf..e4a7094232b8 100644 --- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp +++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp @@ -916,9 +916,9 @@ public: if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) return false; // Immediate offset in range [-255, -1]. - if (!Memory.OffsetImm) return true; + if (!Memory.OffsetImm) return false; int64_t Val = Memory.OffsetImm->getValue(); - return Val > -256 && Val < 0; + return (Val == INT32_MIN) || (Val > -256 && Val < 0); } bool isMemUImm12Offset() const { if (!isMemory() || Memory.OffsetRegNum != 0 || Memory.Alignment != 0) diff --git a/llvm/test/MC/ARM/basic-thumb2-instructions.s b/llvm/test/MC/ARM/basic-thumb2-instructions.s index 205ca35a45d3..5de5104ac301 100644 --- a/llvm/test/MC/ARM/basic-thumb2-instructions.s +++ b/llvm/test/MC/ARM/basic-thumb2-instructions.s @@ -1371,12 +1371,16 @@ _func: pld [r6, #33] pld [r6, #257] pld [r7, #257] + pld [r1, #0] + pld [r1, #-0] @ CHECK: pld [r5, #-4] @ encoding: [0x15,0xf8,0x04,0xfc] @ CHECK: pld [r6, #32] @ encoding: [0x96,0xf8,0x20,0xf0] @ CHECK: pld [r6, #33] @ encoding: [0x96,0xf8,0x21,0xf0] @ CHECK: pld [r6, #257] @ encoding: [0x96,0xf8,0x01,0xf1] @ CHECK: pld [r7, #257] @ encoding: [0x97,0xf8,0x01,0xf1] +@ CHECK: pld [r1] @ encoding: [0x91,0xf8,0x00,0xf0] +@ CHECK: pld [r1, #-0] @ encoding: [0x11,0xf8,0x00,0xfc] @------------------------------------------------------------------------------