[llvm] [RISCV] Check that the stack adjust immediate for cm.push/pop* has the correct sign and is divisible by 16. (PR #85295)

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git-clang-format --diff 2c80a9accb18f3eeb1e0c1bd09a980fb2f2dc2d5 6ff27c1f1e49b81f7b7d0d3d25544e8ac5999364 -- llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.cpp llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.h
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp
index db7760f12f..04e02e9fa0 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp
@@ -303,7 +303,8 @@ void RISCVInstPrinter::printStackAdj(const MCInst *MI, unsigned OpNo,
   assert(RlistVal != 16 && "Incorrect rlist.");
   auto Base = RISCVZC::getStackAdjBase(RlistVal, IsRV64, IsEABI);
   StackAdj = Imm + Base;
-  assert((StackAdj >= Base && StackAdj <= Base + 48) && "Incorrect stack adjust");
+  assert((StackAdj >= Base && StackAdj <= Base + 48) &&
+         "Incorrect stack adjust");
   if (Negate)
     StackAdj = -StackAdj;
 
diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.h b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.h
index c444e51b5b..77cc7a67e8 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.h
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.h
@@ -52,10 +52,11 @@ public:
                      const MCSubtargetInfo &STI, raw_ostream &O);
   void printRlist(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
                   raw_ostream &O);
-  void printStackAdj(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
-                     raw_ostream &O, bool Negate = false);
-  void printNegStackAdj(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,
-                        raw_ostream &O) {
+  void printStackAdj(const MCInst *MI, unsigned OpNo,
+                     const MCSubtargetInfo &STI, raw_ostream &O,
+                     bool Negate = false);
+  void printNegStackAdj(const MCInst *MI, unsigned OpNo,
+                        const MCSubtargetInfo &STI, raw_ostream &O) {
     return printStackAdj(MI, OpNo, STI, O, /*Negate*/ true);
   }
   void printRegReg(const MCInst *MI, unsigned OpNo, const MCSubtargetInfo &STI,

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https://github.com/llvm/llvm-project/pull/85295