Add message to assert

llvm · Aug 30, 2024 · a39c487 · a39c487
1 parent 74667af
commit a39c487
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -11463,7 +11463,8 @@ bool AArch64TargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT,
     // movw+movk is fused). So we limit up to 2 instrdduction at most.
     SmallVector<AArch64_IMM::ImmInsnModel, 4> Insn;
     AArch64_IMM::expandMOVImm(ImmInt.getZExtValue(), VT.getSizeInBits(), Insn);
-    assert(Insn.size() <= 4);
+    assert(Insn.size() <= 4 &&
+           "Should be able to build any value with at most 4 moves");
     unsigned Limit = (OptForSize ? 1 : (Subtarget->hasFuseLiterals() ? 4 : 2));
     IsLegal = Insn.size() <= Limit;
   }